Math, asked by maryam31, 1 year ago

the length and breadth are in ratio 2:1.Find its area if its perimeter is 60cm.Pls answer asap

Answers

Answered by AJThe123456
2
Heyy mate ❤✌✌❤

.Here's your Answer..
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Answered by vijyakrishnani
1

let \: length \: and \: breadth \: of \:2 \\  rectangle \: be \: 2x \: and \: x. \\ perimeter = 2(l + b) \\  \\ perimeter = 60 \: (given) \\ 2( l+b ) = 60 \\ 2(2x + x) = 60 \\ 2(3x) = 60 \\ 6x = 60 \\ x = 10 \\  \\ therefore \: length = 2x = 2 \times 10 = 20cm \\ and \: breadth = x = 10cm \\  \\ area = lb  \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 20 \times 10 \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \: = 200 {cm}^{2}
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