Question

find the circumference of a circle whose radius is 4.9 CM

Answer 1

hii

we r given with
radius 4.9cm


therefore circumference of a circle will be 2πr

2×22/7×4.9 = 30.8cm


therefore, circumference of a circle will be 30.8cm

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Answer 2

circumference of circle =2 pie r
radius =4.9 cm
pie =22/7
=2 ×22/7 ×4.9
= 154/5
= 30.8 cm