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Sav
[38]
3 years ago
7
The length of a rectangle is 3 times the width if the area is 147 what is the perminer
Mathematics
Answer
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1
answer:
spayn
[35]
3 years ago
7
0
Formula for are of a rectangle:
A =L * W
1st isolate W
147 = 3W * W
147 = 3W^2
divide 147 by the by 3 on bot sides
29 = W^2
get ride of the square by square rooting on both sides
7 = W
2nd find the perimeter
P = 2(7) + 2(21)
P = 14 + 42
P = 56
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