Question

Helen found a copper coin with a diameter of 2 centimeters. What is the coin's radius?

Answer 1

1

Explanation:

Given,

• Helen found a copper coin
• diameter of 2 centimeters.

To Find : The Radius of a copper coin

In order to find radius

we use the formula,

r =
`(d)/(2)`

r =
`(2)/(2)`

r = 1