PSAT Math : How to find the height of an acute / obtuse triangle

Study concepts, example questions & explanations for PSAT Math

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Example Questions

Example Question #81 : Triangles

Find the height of a triangle if the area of the triangle = 18 and the base = 4.

Possible Answers:

4

1

6

9

Correct answer:

9

Explanation:

The area of a triangle = (1/2)bh where b is base and h is height. 18 = (1/2)4h which gives us 36 = 4h so h =9.

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