SOLUTION: if an equilateral triangle has 15cm on each side what is the height of the triangle?

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Question 956253: if an equilateral triangle has 15cm on each side what is the height of the triangle?
Answer by MathLover1(20849) About Me  (Show Source):
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an equilateral triangle has 15cm on each side
the height of the triangle


use Pythagorean theorem to find h
h%5E2=%2815cm%29%5E2-%287.5cm%29%5E2
h%5E2=225cm%5E2-56.25cm%5E2
h%5E2=168.75cm%5E2
h=sqrt%28168.75cm%5E2%29
highlight%28h=12.99cm%29