Question

Find the radius of a circle with a diameter of 40 in​

Answer 1

Answer: 20 inches

Step-by-step explanation: A radius is half of the circle, and a diameter is a whole circle. 2 radius are equal to one diameter. So divide the diameter by 2 to get the radius.

40/2 = 20

The radius of the circle is 20 inches.

Answer 2

Answer:

20 in

Step-by-step explanation:

The radius is half the diameter.

You are given the diamter is 40 in.

So the radius is half of 40 in.

Half of 40 in means what is 40 in divided by 2.

Half of 40 in or 40 in ÷ 2 is 20 in.

The radius is 20 in.