Grace draws a circle with a radius of 7 inches. Part A: What is the area of the circle? Round your answer to the nearest tenth of a square inch.

Part B: Rachel draws a different circle. The radius of Rachel’s circle is 12 the radius of Grace’s circle. Which statement about Rachel’s circle is true?

(a) The area of Rachel’s circle is 14 the area of Grace’s circle.

(b) The area of Rachel’s circle is 12 the area of Grace’s circle.

(c) The area of Rachel’s circle is 2 times the area of Grace’s circle.

(d) The area of Rachel’s circle is 4 times the area of Grace’s circle.

A circle has a diameter of 10 millimeters. What is the area of the circle?

(a) 25 square mm

(b) 25 square mm

(c) 100 square mm

(d) 100 square mm