Math, asked by hariji9453gmailcom, 1 year ago

the circumference of two concentric rings are 88 cm and 66 cm respectively. find the width between the rings.

Answers

Answered by Saatwiik
28

Answer: 3.5 cm

Step-by-step explanation:

Circumference of 1st circle = 88 = 2*22*r1 / 7

= r1 = 88*7 / 44 = 14 cm

Circumference of 2nd circle = 66 = 2*22*r2 / 7

= r2 = 66*7 / 44 = 21/2 = 10.5 cm

width = 14 - 10.5 = 3.5 cm

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