Question

The diameter of a circle measures 18 mm. what is the circumference of the circle?use 3.14 for π, AND DO NOT ROUND YOUR ANSWER. Be sure to include to he correct unit in your answer

Answer 1

Diameter = 18mm

Radius = Diameter/2

= 18/2

= 9mm

`\begin{gathered} \text{Circuference = 2 }\pi\text{ r} \\ =\text{ 2 x 3.14 x 9} \\ =\text{ 56.52mm} \end{gathered}`