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OpenStudy (anonymous):
Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch radius A = sq. in.
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OpenStudy (anonymous):
|dw:1338492093211:dw|
OpenStudy (anonymous):
can you do it from here? that small triangle is a 30-60-90 triangle...
OpenStudy (anonymous):
A = 1/2aP A = 1/2(3)(P) A = 3/2(P) To find the perimeter, use the 30-60-90 ratio, find the side length of the side opposite the 60º angle and multiply it by 6.
OpenStudy (anonymous):
A = 3/2(18√3) A = 27√3
OpenStudy (anonymous):
Do you understand?
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OpenStudy (anonymous):
|dw:1338494369724:dw|
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