Mathematics, 06.07.2020 07:01 Cinders13

The circumference of a circle varies directly with the radius. A circular pizza with a radius of 3in has a circumference of about 18.84in. Write the equation using direct variation that relates the circumference, C, to the radius, r. What is the circumference, in square inches, of a personal pizza with a radius of 2in?

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The circumference of a circle varies directly with the radius. A circular pizza with a radius of 3in...