Circle Area, Circumference

How many times greater is the area of Circle 1 than the area of Circle 2​? 

• 9

• 3

• 13.5

• 12

The circumference of a circular patio is 53.38 feet. What is the area of the​ patio? Use 3.14 for an approximation for π.

• 17

• 8.5

• 72.25

• 226.9

The area of a circular window is 113.04 square inches. What is the diameter of the​ window? Use 3.14 for π.

• 12

• 72

• 6

• 226

The radius of a circular sign is 12 inches. Equal parts of the sign are painted red and yellow. How many square inches are painted each​ color? Use 3.14 for π.

You just finished planting​ avocados, carrots,​ radishes, tomatoes, and spinach in her new garden. The garden is a circle whose diameter is 50 yards. If you planted equal regions of each​ vegetable, what is the area of your garden has carrots​?

The area of a circular window is 113.04 square inches. What is the circumfrence of the​ window? Use 3.14 for π.

• 37.7

• 72.1

• 18.9

• 226.5

The figure is made by attaching semicircles to each side of an​ 11-ft-by-11-ft square. Find the area enclosed by the figure.

• 155.54

• 215.99

• 121

• 94.99

What is the diameter of a circle with a circumference of 11.27π ​ft?

• 11.27

• 22.54

A circle has an circumference of 56.52 cm. Find the area of the circle.

• 1017.36 cm²

• 254.34 cm²

• 3194.51 cm²

• 798.63 cm²

Find the circumference of a circle with an area of 289π square millimeters.