Question 311388: Find the radius of a circle in which an inscribed square has a side of 8 inches. Found 2 solutions by Alan3354, solver91311:Answer by Alan3354(69443) (Show Source):
I'm just going to give you a hint. A diagonal of an inscribed square, which is also the hypotenuse of an isosceles right triangle with two sides of the square as legs, is a diameter of the circle.