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The radius of a circular mirror is increased by 2 inches due to its decorative border. This increases the area by 113 square inches. Find the radius of the mirror without the decorative border.

Respuesta :

Answer:

Step-by-step explanation:

Assuming that the area of the mirror without the decorative border is x²

Then, the area of the mirror due to the decorative border is x² + 113

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