3 years ago

The formula for the circumference of a circle is C=2(pie)(r) Determine the circumference when the radius r is 10 cm.

1 answer:

4 0

the formula for the circumference of a circle is

C = 2 × π × r or C = π × D 

If either r or D is known, you can calculate the circumference by simply substituting the known value for r or D in the formula. Use 3.14 for π.
RADIUS = 10DIAMETER = 20
C IS THE ANSWER

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