Question

Find the circumference of the circle with radius 2.7cm,1.2 mm,9.01cm,

Answer 1

see the answers in the above image.

Answer 2

Answer:

16.97, 7.54, 56.63

Step-by-step explanation:

1. 2.7cm radius

ans: c= 2πr

         = 2 x 22/7 x 2.7

         = 118.8/7

         = 16.97

2. 1.2mm radius

ans: c= 2πr

         = 2 x 22/7 x 1.2

         = 52.8/7

         = 7.54

3. 9.01cm radius

ans: c=2πr

         = 2 x 22/7 x 9.01

         = 396.44/7

         = 56.63

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