Question

If the circumference of a circle is 31.4 cm then what is it's radius​

Answer 1

Answer:

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Answer 2

Circumference of a circle:2πr

Let the radius be x;pie=22/7

=2x × 22/7=31.4

=44x/7=31.4

44x=31.4×7

44x=219.8

x=219.8/44

=4.9cm

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