3 years ago

The length of a

Mathematics

1 answer:

Varvara68 [4.7K]3 years ago

8 0

Answer:

Step-by-step explanation:

L=2w-3

P=42

42=2L+2w=2(L+w)

21=L+w

21=2w-3+w

3w=24

w=8

L=16-3=13

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