# Area and Perimeter of Triangles

## Area is half the base times the height while the perimeter is the sum of the sides.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Area and Perimeter of Triangles

This concept teaches students to find the area and perimeter of triangles.
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## Find the Dimensions and Area of Triangles

Learn to find the dimensions and area of triangles.
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• PLIX

## Area and Perimeter of Triangles

Area and Perimeter of Triangles Interactive
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## Area and Perimeter of Triangles

Area and Perimeter of Triangles Interactive
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• Video

## Area and Perimeter of Triangles Principles

This video gives more detail about the mathematical principles presented in Area and Perimeter of Triangles.
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• Video

## Area and Perimeter of Triangles Examples

This video shows how to work step-by-step through one or more of the examples in Area and Perimeter of Triangles.
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• Critical Thinking

## Area and Perimeter of Triangles Discussion Questions

A list of student-submitted discussion questions for Area and Perimeter of Triangles.
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• Real World Application

## Fly Free!

Find out how triangles are incorporated into the design of hang gliders.
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• Real World Application

## Perimeter

How would you use perimeter and area in designing a scooter race track?
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• Study Guide