Question

The circumference of two concentric circles are 121 cm and 154 cm. Calculate the difference between their radii ​

Answer 1

Answer:

CIRCUMFERENCE OF SMALL CIRCLE

• 2*22/7*r=121
• 19.267

CIRCUMFERENCE OF BIGGER CIRCLE

• 2*3.14*R=154
• R=24.52

THEIR DIFFERENCE=24.52-19.26=5.26

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Answer 2

Answer:

difference is 5.26 centimeters