zaniyastubbs9
01.12.2019 •
Mathematics
Find the perimeter of a triangle with sides of length 1.4, 1.8, and 4.8.
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Ответ:
W=A/L
P=2L+2W, using W found above we have:
P=2L+2A/L
P=(2L^2+2A)/L, and we are told that L=9ft and A=72ft^2 so
P=(2*81+2*72)/9
P=34ft