Math, asked by preetivalecha2303199, 1 month ago

If the ratio of the length and breadth of a rectangle is 7:3 and its perimeter is 140 cm find the area of the rectangle

Answers

Answered by llXxDramaticKingxXll
3

Answer:

My handwriting is not good but I hope it will be help full for you

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Answered by Helperking
1

Answer:

let ratio constant be x

so l= 7x and b= 3x

perimeter= 2* l+b = 140

 2*10x= 140

  x= 7cm

 l= 7*7= 49 cm

b= 3*7 = 21 cm

area of rectangle = l*b = 49*21= 1029 Sqcm

Step-by-step explanation:

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