148k views
16 votes
If the diameter of a circle is 20 inches, what is the radius?

2 Answers

6 votes

Answer:

radius=10

Explanation:

radius is always half the diameter therefore the answer is 10 inches.

User Junegunn Choi
by
5.0k points
11 votes

Answer:

Explanation:

Diameter = 20cm . Radius = 10 cm. Circumference = 2πr = 2(3.14)(10) = 6.28 * 10 = 62.8 cm.

User Rozwel
by
3.8k points