Question

A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is 15x. What is the area of the metal​ frame? Write answer in factored form

Answer 1

Answer: Consider: square ... side length 15x

The area of a square with side s is s2.

The area of a square with side 15x is 225x2.

circle .. radius 5x, Area of circle is πr2. Area of mirror is 25πx2

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