Question

If a chord 10 inches long is 5 inches from the center of a circle, find the radius of the circle.

x =

Answer 1

well you could just use the pythagorean to get the radius

Answer 2

the 10 inches gets divided by two so now you have two legs that equal 5 and 5 and r is the hypothenus so you can use \[a ^{2}= b ^{2}+c ^{2}\]