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solmaris [256]
3 years ago
9

How long can the run be made?

Mathematics
1 answer:
defon3 years ago
6 0

Answer:

L=15\ m

Step-by-step explanation:

we know that

The perimeter of rectangle is equal to

P=2L+2W

In this problem we have

P=42\ m

W=6\ m

substitute in the formula and solve for L

42=2L+2(6)

simplify

21=L+(6)

L=21-6=15\ m

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