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JavaScript JavaScript Foundations Numbers The Math Object

Fabian George
PLUS
Fabian George
Courses Plus Student 11,133 Points

Create a variable named "circumference" and assign the correct value to it by using the "diameter" variable and Math.PI.

Help I'm not understanding how to solve this problem. I read the question multiple time but I still can not come up with a way to wright out the variable to solve this problem with.

2 Answers

Hayden Taylor
Hayden Taylor
5,076 Points

The answer is

 var circumference = 2 * Math.PI * (diameter / 2);

Because the formula for circumference is 2 * PI * Radius; so you must divide the diameter by 2 to get the correct R value.

Hayden Taylor
Hayden Taylor
5,076 Points

anything you dont understand please comment back.