Question

A circle has a diameter of 10 feet. What is the circumference in square feet

Answer 1

31.42 feet

Explanation:

The circumference of a circle can be found using

c=πd

We know the diameter is 10, so we can substitute that in.

c=π10

c=31.4159265359

Rounded to the nearest hundredth

c=31.42 feet

So, the circumference is about 31.42 feet

Answer 2

C = 10 pi ft or approximately 31.4 ft

Explanation:

To find the circumference

C = pi *d where d is the diameter

C = pi *10

C= 10 pi ft

We can approximate pi by 3.14

C = 3.14*10 = 31.4 ft

The units of circumference is ft not square ft

Square ft would be used for area