Question

If the circumference of a circle is 33 cm, find it's diameter.

Answer 1

circumference = 2pir
33 = 2×22/7×r
r = 33×7/44
r = 5.25cm

d = 2r = 2×5.25 = 10.5cm

so diameter of circle is 10.5cm

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Answer 2

Given
Circumference of circle =33cm

And we know circumference of circle = pi d

Pi d =33


D=33/pi


D=33*7/22

D=3*7/2

D=21/2 cm

D=10.5cm

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