area of a rectangle field is 3584msqare and the length and the breath are in the ratio 7:2 respectively. what is the perimeter of the rectangle
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Given,
area of rectangle=3584 sq.m
ratio of length and breath=7:2
let length=7x
breath=2x
area of rectangle=lb
3584=7x×2x
3584=14x^2
3584÷14=x^2
256=x^2
√256=x
16=x
Length=7×6=42
Breath=2×6=12
perimeter of rectangle=2(l+b)
=2(42+12)
=2(54)
=108
perimeter=108m
area of rectangle=3584 sq.m
ratio of length and breath=7:2
let length=7x
breath=2x
area of rectangle=lb
3584=7x×2x
3584=14x^2
3584÷14=x^2
256=x^2
√256=x
16=x
Length=7×6=42
Breath=2×6=12
perimeter of rectangle=2(l+b)
=2(42+12)
=2(54)
=108
perimeter=108m
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