SOLUTION: What is the radius of a circle in which an inscribed square has a side of 8 inches?

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Question 759121: What is the radius of a circle in which an inscribed square has a side of 8 inches?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Pythagoras.
A right angled triangle with two
sides 8 inches
Find the size of the hypoteuse and
halve it
8^2 + 8^2 = Hypotenuse^2
64 + 64 = Hypotenuse^2
128 = Hypotenuse^2
Hypotenuse = square root of 128
Hypotenuse = 11.3 inches
Radius = 5.7 inches.
Hope this helps
:-)