How to find the height of of an acute / obtuse isosceles triangle

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Math › How to find the height of of an acute / obtuse isosceles triangle

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

7\ cm

CORRECT

6\ cm

0

8\ cm

0

9\ cm

0

10\ cm

0

Explanation

A=\frac{1}{2}bh.

6x=42

x=7

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