219k views
5 votes
Please help


I'm desperate

Please help I'm desperate-example-1
User Wypul
by
3.2k points

1 Answer

4 votes

Answer:

C = 131.88 cm

Explanation:

the circumference (C) of a circle is calculated as

C = 2πr ( r is the radius ) , then

C = 2 × 3.14 × 21 = 131.88 cm

User MitchellSalad
by
3.0k points