3 years ago

A rectuangular room is 2 meters longer then its width its perimeter is 21.2

Mathematics

1 answer:

seropon [69]3 years ago

6 0

perimeter = 2L + 2W

L=w+2

21.2=2(w+2) +2w

21.2 = 2w+4+2w

21.2 = 4w+4

17.2 = 4w

w=4.3

l=4.3+2 =6.3

check:

6.3 +6.3+4.3+4.3 = 21.2

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