3 years ago

If the radius of a circle is 20 cm, what is the circumference? (Use π = 3.14)

1 answer:

4 0

Okay so the circumference of a circle is pi×the diameter or 2×radius× pi. In this case we are given the radius so
C=2×20×3.14
C=40×3.14
C=125.60
The circumference is 125.60cm

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