give answer in detail both the questions plzzzz
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aryandhar7450:
Please upload the pic clearly
And what we have to find in the second question
Bro
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Answer:here is the answer to your question
Step-by-step explanation:
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Why
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your 2nd question is not clear but here is the answer of 1st one.
let l be the length and b be the breadth.
now, l=5/2xb
therefore 2l=5b
perimeter of a rectangle= 2x(l+b)
56= 2l+2b
56= 5b+2b
56=7b
therefore b= 8cm
therefore l = 40/2
= 20cm
now, area = lxb
therefore area = 20x8
= 160cm^2
let l be the length and b be the breadth.
now, l=5/2xb
therefore 2l=5b
perimeter of a rectangle= 2x(l+b)
56= 2l+2b
56= 5b+2b
56=7b
therefore b= 8cm
therefore l = 40/2
= 20cm
now, area = lxb
therefore area = 20x8
= 160cm^2
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