Question

The large stones of Stonehenge are arranged in a circle about 30 meters in diameter. What
is the radius?

Answer 1

Answer:

The radius is just the diameter split in half, so r = 15 meters.

Explanation:

D = 30

30/2 = 15

r = 15

Answer 2

The answer is r=15

D=30/2 =15=r