2 years ago

I need to find the circumference and area of a circle with a diameter of 20 cm

1 answer:

slega [8]2 years ago

4 0

The diameter is 20 so the radius is 10.
A=<span>πr^2
A=</span>π10^2
A=100π

C=2πr
C=2π10
C=20π

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