High School Math : How to find the height of of an acute / obtuse isosceles triangle

Study concepts, example questions & explanations for High School Math

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Example Questions

Example Question #43 : Isosceles Triangles

An isosceles triangle has a base of 12\ cm and an area of 42\ cm^{2}. What must be the height of this triangle?

Possible Answers:

9\ cm

8\ cm

7\ cm

6\ cm

10\ cm

Correct answer:

7\ cm

Explanation:

A=\frac{1}{2}bh

6x=42

x=7

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