{"results":"
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Solve Triangles Using the Law of Sines\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nSolve missing triangle measures using the law of sines. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Art\n\n
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\nArt of Problem Solving\n
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\nArt of Problem Solving: Triangle Inequality Introduction\n

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\n\nFor Students\n\n9th - 10th\n
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\nVideo tutorial uses examples to introduce triangle inequality. [6:15]\n
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\n\nGet Free Access\n\nSee Review\n
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Unknown Type
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Solve Triangles: Angle Bisector Theorem\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nUse the Angle Bisector Theorem to find missing side lengths in triangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.\n
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\n\nGet Free Access\n\nSee Review\n
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Unknown Type
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Solve Triangles: Angle Bisector Theorem\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nUse the angle bisector theorem to find missing side lengths in triangles.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Bbc:\n\n
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\nBBC\n
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\nBbc: Gcse Bitesize: Sine and Cosine Rules\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nBBC provides a three part lesson on solving triangles, by using the sine rule and cosine rule.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Math\n\n
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\nMath Is Fun\n
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\nMath Is Fun: Trigonometry\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nStudents explore trigonometry concepts through this collection of definitions, lessons, examples problem-solving steps and strategies, and practice problems. Topics include solving triangles, trigonometric functions, theorems, and the...\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Maths\n\n
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\nMaths Challenge\n
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\nMaths challenge.net: Measuring Mountains\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nUse your triangle solving skills to solve this triangle problem and then apply it to the real world.\n
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\n\nGet Free Access\n\nSee Review\n
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Interactive
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\n\"Nctm:\n\n
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\nNational Council of Teachers of Mathematics\n
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\nNctm: Illuminations: Tube Viewer Simulation\n

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\n\nFor Students\n\n9th - 10th\n
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\nA computer simulation of viewing through various lengths of tubes at different distances. The simulation also has an exploration of focus questions. [Requires Java.]\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Maths\n\n
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\nMaths Challenge\n
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\nMaths challenge.net: Perpendicular Construction\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis is a \"three star\" geometry problem where prior math problem skills and proof experience is recommended to solve this \"Perpendicular Construction\" problem.\n
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\n\nGet Free Access\n\nSee Review\n
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Unit Plan
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\n\"Ck\n\n
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\nCK-12 Foundation\n
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\nCk 12: Trigonometry: General Solutions of Triangles\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\n[Free Registration/Login may be required to access all resource tools.] A summary of when to use the law of cosines or the law of sines to solve triangles.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Math\n\n
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\nOther\n
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\nMath Mistakes: Common Trigonometry Mistakes\n

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\n\nFor Students\n\n9th - 10th\n
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\nLearn from other student's mistakes by reviewing examples of the following Trigonometry topics: values of trigonometric functions, values of inverse trigonometric functions, solving triangles, simplifying trigonometric expressions, and...\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Varsity\n\n
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\nVarsity Tutors \n
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\nVarsity Tutors: Hotmath: Practice Problems: Solving General Triangles\n

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\n\nFor Students\n\n9th - 10th\n
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\nFourteen problems present a variety of practice solving general triangles. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the \"View Solution\" button to...\n
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\n\nGet Free Access\n\nSee Review\n
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Handout
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\n\"Purplemath:\n\n
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\nPurple Math\n
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\nPurplemath: Basic Trigonometric Ratios: Examples\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nDemonstrates how to use trig ratios to do simple solving of triangles.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Math\n\n
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\nMath Is Fun\n
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\nMath Is Fun: Triangle Identities\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nView examples of triangle identities, equations that are true for all triangles: Law of Sines, Law of Cosines, and Law of Tangents. Follow links to learn more about the purpose and examples of each identity.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Maths\n\n
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\nMaths Challenge\n
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\nMaths challenge.net: Corner Circle\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis is a \"three star\" geometry problem where prior knowledge of circles and triangles is recommended to solve this circle in the corner problem.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Brown\n\n
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\nOther\n
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\nBrown Math: Remembering Trig Identities\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nFaced with a large number of trigonometric identities, students tend to try to memorize them all. This site the emphasis is on understanding how the functions work and on memorizing only about a half dozen of them - all the others work...\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Georgia\n\n
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\nGeorgia State University\n
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\nGeorgia State University: Hyper Physics: Law of Cosines\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis page from the Georgia State University provides a definition of the Law of Cosines. Also includes a \"calculator\" to help you find side lengths and opposite angles when you are given either three sides or two sides and a third angle.\n
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\n\nGet Free Access\n\nSee Review\n
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