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mr_godi [17]
3 years ago
6

The perimeter of a rectangle is 46in and the diagonal is 17 in

Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0

Answer + explaination

p=2*(L+l)=46

L+l=46:2

L+l=23

(L+l)^2=529

(L^2+l^2)+2l*L=529

D= V L^2+l^2= 17

L^2+l^2=289

so 289+2l*L=529

    2l*L=529-289=240

l*L=240:2

A=120

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