Question

Suppose the diameter of a circle is 4 units. What is its circumference?

Use 3.14 for TT and enter your answer as a decimal.
units

Answer 1

12.56 units

Explanation:

Hello!

The circumference of a circle given the diameter is
`C = d\pi`, where d is the diameter.

Given that π is 3.14, solve for the circumference.

Solve for C

• 
  `C = d\pi`
• 
  `C = 4(3.14)`
• 
  `C = 12.56`

The circumference is 12.56 units.