PLEASE SOLVE THIS CLEAR
Q.1 Perimeter of rectangle is 72m. it's length is 10m more than the breath of the rectangle.find the length and breath of rectangle.
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Perimeter=72
let breadth be x
then l=10 + x
Perimeter=2l+2b
72=2×(10+x)+2×x
72=20+2x+2x
72=20+4x
4x=52
x=13
breadth=13cm
lengthy=23cm
let breadth be x
then l=10 + x
Perimeter=2l+2b
72=2×(10+x)+2×x
72=20+2x+2x
72=20+4x
4x=52
x=13
breadth=13cm
lengthy=23cm
tanya111112222:
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