Question

Circle O has a circumference of approximately 44in. What is the approximate length of the diameter d? 7 in 14 in 22 in 44 in

Answer 1

The distance around a rectangle or a square is as you might remember called the perimeter.

The distance around a circle on the other hand is called the circumference. It is calculated as follows:

C = 2pi(r)

From this, we can solve for r and eventually solve for the diameter.

44 = 2pi(r)

r ≈7.00

d = 2r

d = 142answers