Area and Perimeter of Quads and Circles

What is the circumference (perimeter) of the circle above? Use 3.14 for pi.

• 27.3 mm

• 17.4 mm

• 54.6 mm

• 8.7 mm

What is the area of the circle above? Use 3.14 for pi.

• 54.6 mm²

• 950.7 mm²

• 17.4 mm²

• 237.7 mm²

If the circumference of the circle above is 40.841 ft, what is the radius?

• 6.5 ft

• 13 ft

• 20.4 ft

• 42.3 ft

If the circumference of the circle above is 15.708 ft, what is the diameter?

• 2.5 ft

• 5 ft

• 25 ft

• 6.25 ft

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m²

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

What is the area of this circle?

Find the area of the quarter circle. Round you answer to the nearest hundredth.

• 58.88

• 78.50

• 7.85

• 157.00

What is the Area Formula for a Circle?

• A = $\pi$ * r * r

• A = $\pi$ * d

• A = 2 * $\pi$ * r

What is the circumference of this circle?