SOLUTION: The perimeter of an equilateral triangle is 45 meters. find the length of an altitude.

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Question 851734: The perimeter of an equilateral triangle is 45 meters. find the length of an altitude.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
%2815%2F2%29%5E2%2Bh%5E2=15%5E2

which leads to
h=%2815sqrt%283%29%29%2F2