# What is the circumference of a circle when the diameter is 18?

##### 2 Answers

Apr 1, 2018

The answer is

#### Explanation:

In the process,

Diameter= 18,

Radius(r)=

Now,

Circumference (Perimeter) = ?

According to the formula,

Perimeter= 2

Taking the equation,

Perimeter= 2

Let's hope this helps you:)

Apr 1, 2018

#### Explanation:

#"calculate the circumference (C) using the formula"#

#â€¢color(white)(x)C=pidlarrcolor(blue)"d is the diameter"#

#"here "d=18#

#rArrC=18pi~~56.55" to 2 dec. places"#