Question

the circumferenceof two concentric rings are 88 cm and 66 cm respectively .find the width between the Rings

Answer 1

22 cm^2 this is the cor rectangle answer of this question

Answer 2

Outer Circumference = 88
2πR = 88
2*22 R /7 = 88
=> R = 7*2
=> R = 14

Outer Radius=14 cm

Inner circumference= 66
2πr =66
=> 2*22*r/7 = 66
=> r = 3*7/2
=> r = 10.5 cm

Width between rings =outer Radius -inner radius
=14-10.5
= 3.5

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