How to find the height of a triangle - ISEE Upper Level (grades 9-12) Quantitative Reasoning

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Question

Quantity A: The hypotenuse of a right triangle with sides and .

Quantity B: The height of a triangle with an area of and base of .

Answer

Quantity A: This is the special -- triangle, where the two sides have lengths of and and the hypotenuse is .

Quantity B: This triangle has an area of and base of . The area of a triangle is , so that height must be .

Quantity A and Quantity B are equal.

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