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OpenStudy (anonymous):
An equilateral triangle has an altitude of 15 m. What is the perimeter of the triangle?
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OpenStudy (anonymous):
just the answer or explanation?
OpenStudy (anonymous):
P=30sqrt(3)
OpenStudy (anonymous):
a = 15 * 2/ sqrt(3) = 17.3
OpenStudy (anonymous):
=> P = 3 * 17.3 = 51.96
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