A piece of wire is in the form of a rectangle whose length and breadth are 40 cm and 26 cm respectively. It is bent in the form of a circle. Find the diameter of the circle.
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Step-by-step explanation:
length of wire=perimeter of rectangle
perimeter of rectangle= 2(l+b)
=2x66cm
=132cm
132cm=circumference of circle
Circumference of circle =2πr
132cm=2πr
so,r=132x7/2x22
=11cm
diameter=2r
=11cmx2
22cm
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