the ratio of the length of the rectangular School Grounds to its width is 5:2 find the length and the width if its perimeter is 280M
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let length of rectangular ground= 5x...........(1)
let width of ground =. 2x.............(2)
perimeter of rectangle= 2{l+b}
A.T.Q.
2(5x+2x)= 280.......
5x+2x= 280÷2
7x=140
x=140÷7
x=20
thus; putting value of x in (1,2)
length =100
width =40
let width of ground =. 2x.............(2)
perimeter of rectangle= 2{l+b}
A.T.Q.
2(5x+2x)= 280.......
5x+2x= 280÷2
7x=140
x=140÷7
x=20
thus; putting value of x in (1,2)
length =100
width =40
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