Question

How can you find the diameter if you
only know the radius of a circle?

Answer 1

Multiply the diameter by 2

Eg: Radius = 7cm

Then

Diameter = 14cm

Eg: Diameter = 20cm

Then

Radius = 10cm

Answer 2

Hi there!

Answer:

You divide the diameter(the largest chord which you can draw in a circle) by 2 to get the radius.(the distance from the center of the circle to any point).

Explanation

For example;

Diameter:16

radius:8

Diameter:14

radius:7