Question

taking 3.14 find the circumference of a circle whose radius Is 20cm an 8cm

Answer 1

Circumference of Circle= 2πr
Given, r1= 20cm

Circumference of Circle1= 2×3.14×20
= 125.6 cm


Given, r2= 8cm

Circumference of Circle2= 2×3.14×8
= 50.24cm


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Answer 2

Hey,sup!

Here π=3.14 (given)
As per the question,

Radius of circle 1=20cm.
Circumference of circle 1= 2πr=2×3.14×20.
=125.6cm

Radius of circle 2=8cm.
Circumference of circle 2= 2πr= 2×3.14×8.
=50.24cm

Hope it helps.