a wire is in shape of a rectangle of length 13cm and width 9cm is reshaped and bent in the form of a circle find the diameter of the circle
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Length of rectangle = 13 cm
Breadth of rectangle = 9 cm
Perimeter of rectangle = circumference of circle
2(l+b)=2πr
22cm=( 22/7×r)cm
r= (22×7) /22 = 7cm
r=7cm
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The perimeter of a rectangle = circumference of a circle
2(l+b)=2πr
22cm=(22/7×r)
r = (22×7)/22 = 7 cm
d = 2 x r
= 2 x 7
= 14 cm
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