Area of a Circle Answers

The diameter of a circle is 8 inches. What is the area?

What is the height of the shape formed by the sectors shown below?

Elspeth knows that . What would she need to do to find the circumference?

What is the area of a circle with a radius of 1 foot?

Ian needs to find the area of the shaded region shown below. Which statements can he use to find the answer? Select three options.

A target has a bull’s-eye with a diameter of 2 inches. The outer ring is 1 inch wide. What is the area of the outer ring?

Geoffrey needs to find the circumference of a circle. Which process should he use?

Kyra is finding the area of the circle. She cuts the circle into equal sectors and arranges them into the shape of a parallelogram.Which expression represents the approximate area of the circle in square inches?

A circle fits in a square with sides of 12 inches. What is the approximate area of the shaded region between the square and the circle? (Use 3.14 for and round to the nearest whole number.)

Kylie drew a circle with a diameter of 8 cm. Paige drew a circle with a radius of 3 cm. Approximately how much larger is the area of Kylie’s circle than the area of Paige’s circle? Use 3.14 for and round to the nearest whole number.