Question

The circumference of a circle is 11π ft. Find its diameter, in ft.

Answer 1

d≈3.5

C Circumference 11

Using the formulas

C=2πr

d=2r

Solving ford

d=C

π=11

π≈3.50141

Answer 2

C=2πr

d=2r

Solving for d

d=C

π=11

π≈3.50141

3.5