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Perimeter but Area

Geometry Level 1

What is the area of a triangle, if it has the measures of 5, 12 and 13 in each sides?

none of the choices 15 sq. units 390 sq. units 780 sq. units 30 sq. units 900 sq. units

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

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including olympiad champions, researchers, and professionals.

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by Marvi Leu Dalogdog

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