SOLUTION: A sq of side 5x is inscribed in a circle. Express the area of a circle as a function of x.

Question 312444: A sq of side 5x is inscribed in a circle. Express the area of a circle as a function of x.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The diagonals, D, of the square are the diameter of the circle.
The sides of the square are legs of a right triangle and the hypotenuse is the diagonal.

The area of a circle based on the diameter is,

In this case,

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