Curated OER
Area of Triangles
In this math learning exercise, learners draw two triangles and one pentagon. Then they use the correct formula to calculate the area for each.
EngageNY
Law of Cosines
Build upon the Pythagorean Theorem with the Law of Cosines. The 10th part of a 16-part series introduces the Law of Cosines. Class members use the the geometric representation of the Pythagorean Theorem to develop a proof of the Law of...
Curated OER
Geometry of Triangles - Week 6
In this geometry of triangles worksheet, students find the length of sides, are, and angle measurement of inscribed triangles, pentagons, and midpoint of a line. This two-page worksheet contains seven problems.
Curated OER
Circles: Geometry Review Worksheet
Tenth graders solve and complete 14 different geometry problems. First, they find the area and circumference of a circle with a given radius. Then, they find the area between a circle and an inscribed equilateral triangle given the...
Inside Mathematics
Expressions
Strive to think outside of the quadrilateral parallelogram. Worksheet includes two problems applying prior knowledge of area and perimeter to parallelograms and trapezoids. The focus is on finding and utilizing the proper formula and...
Charleston School District
Applications of the Pythagorean Theorem
Use patterns to your advantage! The Pythagorean Theorem allows learners to find missing sides of right triangles. Problems include those with both rational and irrational lengths.
CPM
Cones and Spheres
Geometry whizzes solve and complete 24 different problems that include determining the volume and surface area of spheres and cones. First, they use the given information to determine the volume of a cone. Then, pupils use the given...
Concord Consortium
Bricks for Books
Maximize a profit with an understanding of geometric dimension. A real-world task challenges learners to design a pattern using three different brick shapes. The bricks are dedicated with a different donation for each shape, so part of...
Curated OER
Chapter 8 Worksheet 2 Area of Polygons
In this area of polygons worksheet, students compute the area of squares, rectangles, triangles, trapezoids and parallelograms. Given the area of polygons, students determine the missing dimension of the figure. This two-page worksheet...
Curated OER
Area: Rectangles
For this finding area practice worksheet, students examine 6 rectangles and their measurements in order to calculate the area of each of them.
Curated OER
Area and Perimeter
In this area and perimeter worksheet, 10th graders solve and complete 18 various types of geometry problems. First, they find the area of a figure shown with consecutive sides perpendicular. Then, students find the area and perimeter of...
Curated OER
Area
In this area worksheet, students solve and complete 20 different problems that include the measurement of various figures. First, they determine the area of each of the triangles, parallelograms and trapezoids. Then, students determine...
Curated OER
Right Triangles
In this right triangles worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students find the perimeter and area of the regular...
Curated OER
Chapter 7 Final Review Extra Problems: Triangles
In this triangles worksheet, students respond to 4 short answer problems. Students describe side relationships of different types of triangles. Students find the area of a segment formed by a sector.
Curated OER
Guided Notes on Area
In this area worksheet, students find the area of rectangles, triangles and circles. This eight-page worksheet contains approximately 36 problems. Examples and explanations are provided. Answers are included at the end of the worksheet.
Curated OER
Areas by Dissection
In this areas by dissection worksheet, students find the area of given composite figures. This three-page worksheet contains examples, explanations, and 16 problems. Answers are provided on page three.
Curated OER
Finding Perimeter and Area
In this area and perimeter worksheet, students are given the equations to find the perimeter and area of objects. They practice finding the perimeter by measuring the sides of given objects and adding them together. They find the area of...
![Perimeter and Area of Triangles [C] Worksheet](http://lessonplanet.com/content/resources/thumbnails/217521/large/nzixnzgwlmpwzw.jpg?1414307429 "Perimeter and Area of Triangles [C] Worksheet")
Curated OER
Perimeter and Area of Triangles [C]
For this triangle worksheet, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.
![Perimeter and Area of Triangles [D] Worksheet](http://lessonplanet.com/content/resources/thumbnails/217522/large/nzixnzgxlmpwzw.jpg?1414307429 "Perimeter and Area of Triangles [D] Worksheet")
Curated OER
Perimeter and Area of Triangles [D]
For this triangle worksheet, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.
![Perimeter and Area of Triangles [E] Worksheet](http://lessonplanet.com/content/resources/thumbnails/217524/large/nzixnzgylmpwzw.jpg?1414307430 "Perimeter and Area of Triangles [E] Worksheet")
Curated OER
Perimeter and Area of Triangles [E]
For this triangle worksheet, students find the perimeter and area for a set of 4 triangles. Answers and a link to additional worksheets are included.
Curated OER
Area of Triangles
In this area of triangles instructional activity, students calculate area for a set of 4 triangles, writing total area beneath each. A reference web site is given for additional activities.
Curated OER
Area of Triangles
In this area of triangles worksheet, students calculate the area of 4 given triangles, writing the answers in rectangles beneath each. A reference web site is given for additional activities.
Concord Consortium
Divisions
Divide and conquer the geometry problem. Young scholars consider how to subdivide triangles into smaller ones that have equal areas. They must apply their knowledge of medians to help accomplish the task.
Curated OER
Pythagorean Theorem
In this pythagorean theorem worksheet, learners identify the missing length of one side for 10 triangles. Each triangle gives the lengths of two sides and students must find the length of the third.