Question

If the diameter of a circle is 7cm,find its circumference.​

Answer 1

Radius=7/2
=3.5 cm

Circumference=2πr
=2*22/7*3.5
=22 cm Answer

Answer 2

diameter = 7cm radius = 3.5cm

circumference of circle = 2πr

= 2 × 22/7 × 3.5

= 6.28×3.5

= 21.98

means approx 22cm

there circumference of circle = 22cm ( approx )

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