What is the radius of a circle whose diameter is 13 units?
1 Answer
Nov 28, 2015
Explanation:
The diameter can expressed with the formula:
#d = 2r#
where:
d = diameter
r = radius
This means that the diameter is double the length of the radius. To find the radius, do:
#d = 2r#
#13 = 2r#
#13/2 = r#