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Ksju [112]
3 years ago
8

F the area of an equilateral triangle is 9√3 sq ft, how long is a side?

Mathematics
1 answer:
ANTONII [103]3 years ago
6 0
The area of an equilateral triangle is always:

A=√((3s^4)/16) or if you prefer:  A=(s^2/4)√3

So if A=9√3 we have:

9√3=(s^2/4)√3

9=s^2/4

s^2=36

s=6 feet
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