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# Triangle Area

## Half the product of base and height

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.

## Triangle Area

Learn to find the areas of triangles given a base and a height.
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## Triangle Area

Learn how to find the area of a triangle.
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• PLIX

## Area of a Triangle: Ice Cream Cones

Triangle Area Interactive
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• PLIX

## Find the Formula

Triangle Area Interactive
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• Real World Application

## Building Triangles

Learn about one of the most famous triangular buildings in the world.
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