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29 resources with the keyterm angle bisector

Videos (Over 2 Million Educational Videos Available)
Three-Dimensional Coordinates and the Right-Hand Rule Video
6:09
Three-Dimensional Coordinates and the...
Who was Frederick Douglass? Video
3:07
Who was Frederick Douglass?
Language and Creativity Video
5:25
Language and Creativity
Other Resource Types (29)
Lesson Planet

Find the Angle

For Teachers 7th - 10th Standards
This a fun problem for young geometers to play with while gaining important insight into deductive reasoning. Some will find the answers very quickly, others might take a less direct path, but all will use their knowledge of the sum of...
Lesson Planet

Constructing Angles Part I: Bisecting the Angle

For Students 9th - 12th
In this math activity, students practice bisecting angles. This activity has many problems for the students to solve and includes and answer sheet.
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Chapter 5 Final Review Extra Problems. Triangles

For Students 10th - 12th
In this triangles worksheet, students identify the median, altitude, segment, angle bisector, perpendicular bisector and triangle midsegment of triangles.  They find the perimeter of triangles.  This three-page worksheet contains 8...
Lesson Planet

Getting Started with Triangles

For Teachers 9th - 12th
Students construct triangles using Cabri Jr.  In this constructing triangles using Cabri Jr. instructional activity, students construct isosceles triangles.  Students use two radii of a circle to construct an isosceles triangle. ...
Lesson Planet

Angle Bisectors and Medians of Quadrilaterals

For Teachers 9th - 12th Standards
Young scholars investigate the properties of quadrilaterals formed by angle bisectors of a given quadrilateral and quadrilaterals formed by the medians of quadrilaterals. This Cabri Jr. lesson provides opportunity for conjecture and...
Lesson Planet

Points of Concurrency related to Archaeology-Grade Ten

For Teachers 11th
Eleventh graders discover the properties of the points of concurrency of a triangle.  In this geometry lesson, 11th graders use paper folding, interactive geometry software, and construction to investigate the points of concurrency.  Use...
Lesson Planet

Classifying Angles

For Students 10th
In this classifying angles learning exercise, 10th graders solve and complete 21 various types of problems. First, they use the diagram shown on the right to answer the questions that follow. Then, students solve for x and find the...
Lesson Planet

Angle Bisectors

For Students 10th
In this angle bisector worksheet, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a polygon. They...
Lesson Planet

Special Segments in Triangles

For Students 10th
In this special segments in triangles worksheet, 10th graders solve 86 various types of problems that include determining the measure of various triangles. They draw and label a figure that illustrates each situation. Then, students...
Lesson Planet

Triangles

For Students 10th
In this triangles worksheet, 10th graders solve 3 extensive informal geometry problems that involve triangles. First, they sketch a triangle, selecting 3 of the sides and constructing 3 midpoints. Students then draw each of 3 medians by...
Lesson Planet

Midpoint of a line segment

For Students 10th
In this geometry worksheet, 10th graders use the concepts of midpoint of a line segment and angle bisector to solve challenging problems based on the given concepts. The one page worksheet contains fourteen questions.  Answers are not...
Lesson Planet

Construction: Angle Bisector

For Teachers 9th - 12th
In this geometry worksheet, young scholars construct angle bisectors of two provided rays using a straightedge and a compass. There are 6 questions.
Lesson Planet

Angle Bisectors

For Teachers 9th - 12th
Students identify different angles. In this geometry lesson, students identify different properties of triangles. They find the altitude, median and angle bisector.
Lesson Planet

Angle Bisector

For Students 10th
In this geometry learning exercise, 10th graders use a straightedge and a compass to construct the bisector of a given angle.  The one page learning exercise contains two problems.  Answers are provided. 
Lesson Planet

Geometry Regents Exam

For Teachers 9th - 12th
Students explore the concept of geometry.  In this geometry lesson, students practice problems from the geometry regents exam.  Students answer practice problems that are multiple choice.  Students answer questions involving angle...
Lesson Planet

Congruent Triangles

For Students 10th
In this congruent triangles worksheet, 10th graders solve and complete 24 various types of problems. First, they use the diagram to state the method used to prove the triangles congruent. Then, students write a congruence statement and...
Lesson Planet

Measuring Angles

For Students 10th
In this measuring angles worksheet, 10th graders solve and complete 26 various types of problems. First, they use a protractor to find the measurement of each angle. Then, students state the Angle Addition Postulate for the three angles...
Lesson Planet

Geometric Constructions

For Students 10th
In this geometric constructions activity, 10th graders solve and complete 5 different multiple choice problems. First, they construct a segments perpendicular to the line through the given points shown. Then, students construct a...
Lesson Planet

Right Angles

For Students 10th
In this right angles worksheet, 10th graders solve and complete 51 various type of problems. First, they match the words with the diagrams for each theorem statement. Then, students use the information given in the diagrams to find the...
Lesson Planet

Angle Bisectors

For Students 10th
In this angle bisectors worksheet, 10th graders solve and complete 12 different problems. First, they find the value of xand the measure of the indicated angles for each situation. Then, students find the values of each indicated term...
Lesson Planet

Practice 5-3: Concurrent Lines, Medians, and Altitudes

For Students 9th - 11th
In this concurrent lines, medians and altitudes worksheet, learners find the center of a circle that circumscribes a given triangle. They construct angle bisectors, perpendicular bisectors, identify the altitude height and median. This...
Lesson Planet

Angle Measurement

For Students 10th
In this angle measurement worksheet, 10th graders solve 24 different problems related to determining the measurement of various angles. First, they define the various ways to measure an angle and define the type of angle that it is....
Lesson Planet

Angle Measurement 2

For Students 10th
In this angle measurement instructional activity, 10th graders solve 24 problems that include determining the measurement of various angles. First, they define each angle and the specific type that is shown in each. Then, students...
Lesson Planet

Special Segments in Triangles

For Students 10th
In this special segments in triangles learning exercise, 10th graders solve 6 various types of problems related to determining types of segments found in triangles. First, they find a segment if the line parallel is a median or an...