Question

3) The adjoining figure shows two circles with the same centre. The radius of the larger circle is 10 cm and the radius of the smaller circle is 4 cm. The radius of a circular pipe is 10 cm. What length of a tape is required to wrap once around the pipe?

Answer 1

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Answer 2

Answer:

Please look below carefully.

Step-by-step explanation:

Length of tape is equal to the circumference of the pipe.    

Circumference of a circle = 2ㅠr  

Therefore, circumference of pipe = 2 * 3.14 * 10  

                                                         = 6.28 * 10

                                                        = 62.8

Therefore, the length of the tape required = 62.8 cm  

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