Area of Circles

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

• 113.04 m²

• 18.84 m²

• 9.42 m²

• 28.26 m²

Tags

CCSS.7.G.B.4

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 196 ft

• 246 ft

• 392 ft

• 393 ft

Tags

CCSS.7.G.B.4

Mrs. Apple just bought a new dinning room table. She needs to make a table cloth for decoration. What amount of fabric should she buy if the table has a diameter of 5 feet? Choose the equation that would best help solve this problem.

• C = π5

• C = (2)(π)(2.5)

• A = π5²

• A = π2.5²

Tags

CCSS.7.G.B.4

A glass stained window is shaped like a semicircle. The bottom edge of the window is 36 inches long. How much colored glass would you need to cover the stained window? Round to the nearest hundredth.

• 1017.36 in²

• 508.68 in²

• 56.52 in

• 113.04 in

Tags

CCSS.7.G.B.4

Randy’s circular garden has a radius of 1.5 feet. He wants to enclose the garden edging that costs $0.75 per foot. About how much will the edging cost?

• $5.30

• $7.00

• $3.50

• $0.50

Tags

CCSS.7.G.B.4

Circles The picture below shows a slice cut from a large pizza. What is approximate the area of the slice?

• 7.9

• 15.7

• 35.3

• 141.4

Tags

CCSS.HSG.C.B.5

p.4 Circles Given the circle below with designated center, designated perpendicular, and radius 5. Find the length of the segment labeled x.

• 2

• 3

• 4

• 5

Tags

CCSS.HSG.C.A.2

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5

Find the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units.

• 0.3 square units

• 15.7 square units

• 19.7 square units

• 50.3 square units

Tags

CCSS.HSG.C.B.5

The red represents...

• area of a circle

• circumference of a circle

• diameter of a circle

• radius of a circle