1. A circle has a diameter of 12 3 over 4 3 4 inches. If the circle is dilated by a scale factor of 1 over 2 1 2 , what will be the effect on the circumference of the new circle?

A. The circumference of the new circle will be the same as the circumference of the original circle.

B. The circumference of the new circle will be 2 times as large as the circumference of the original circle.

C. The circumference of the new circle will be 1 over 2 1 2 as large as the circumference of the original circle.

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2. A circular stepping stone used in a garden has a diameter of 18 inches. If the stepping stone is dilated by a scale factor of 1.5 to create a larger stepping stone, what will be the circumference of the new stepping stone?

A. 27 inches

B. 56.52 inches

C. 84.78 inches

D. 113.04 inches

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