Question

A wire in the shape of a rectangle of length 18 cm and width 15 cm is reshaped and bent in the form of a circle. Find the radius of the circle.(Take = /)
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PLZ anyone ans this qs...​

Answer 1

Answer:

The wire is in the shape of rectangle

length = 18 cm

breadth = 15 cm

now the wire is bent into a circle

so

perimeter of rectangle = circumference of the circle

2(l+b) = 2πr

2(18 +15) = 2πr

2×33 = 2πr

66 = 2πr

66 × 7/ 2×22 = r

33 × 7/22 =r

21/2 = r

10.5 = r

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Answer 2

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The wire is in the shape of rectangle length = 18

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