205k views
2 votes
The formula for the circumference of a circle is C = 2pi . Determine the circumference when the radius r is 10 cm. A. 100 approx cm C. 20 cm b. 20 pi cm d. 100 cm

User ITEgg
by
8.6k points

1 Answer

2 votes

Answer:b

Explanation:

Circumference, C = 2pi×r

=2×pi×10

= 20pi cm

User KeLiuyue
by
8.2k points