Question

PLEASE HELP ASAP!!

The diameter of each of the three circular lights in a traffic signal is 7 inches. In this activity, you will find the total area of the three lights.

Part A
Each circular light has a diameter of 7 inches. What is the radius of each light?

Answer 1

3.5 inches should be the answer.

Answer 2

The radius of the circle is 3.5 inches.

Explanation:

The radius is half the diameter:R= 1/2 d

Substitute the value of d (7 inches) in the formula to find r:

r= 1/2 x 7 in

r= 3.5 in