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# 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

by CK-12 //basic
Calculate the area and perimeter of a triangle.
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8
• Video

## Area of a Triangle (Whole Numbers)

by CK-12 //basic
Provides an example of how to determine the area of a triangle using whole numbers.
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1
• Video

## Area and Perimeter of Triangles Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on finding area and perimeter of triangles.
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0
• Video

## Area and Perimeter of Triangles Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Area and Perimeter of Triangles".
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