Question

find the radius of a circle whose circumference is 57.2 cm​

Answer 1

Answer:

9.1

Step-by-step explanation:

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Answer 2

Answer:

9.1cm

Step-by-step explanation:

Given,

Circumference=57.2cm

Circumference=2πr

57.2=2×22/7×r

57.2=44/7×r

57.2×7=44×r

400.4=44×r

400.4/44=r

9.1=r

Hence, radius of circle whose circumference is 57.2cm is 9.1cm

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