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Find the diameter of a circle whose circ...

Find the diameter of a circle whose circumference is 39.6 cm.

A

12 cm

B

12.6 cm

C

12.4 cm

D

12.8 cm

Text Solution

Verified by Experts

The correct Answer is:
B
Given, the circumference of the circle = 39.6 cm
`2pir=39.6cm`
`2xx(22)/(7)xxr=39.6`
`2r=39.6xx(7)/(22)`
`2r=1.8xx7`
`2r=12.6cm`
`therefore"Diameter of the circle"=12.6 cm`
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