Review Area of Circles

What is the area of this circle?

• 82.13 m²
• 78.50 m²
• 314.16 m²
• 170.12 m²

Tags

CCSS.HSG.GMD.A.1

A circular disc is cut from a piece of square plastic.  How much plastic is left over? The side length of the piece of plastic is 15 inches. 

• 47.1 in.²
• 48.37 in.²
• 225 in²
• 176.37in.²

Tags

CCSS.HSG.GMD.A.1

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

• 675.6 ft²
• 29.67 ft²
• 545.8 ft²
• 706.5 ft²

Tags

CCSS.HSG.GMD.A.1

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

Tags

CCSS.7.G.B.4

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²
• 45.6 cm²
• 50.24 cm²
• 55.9 cm²

Tags

CCSS.HSG.GMD.A.1

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

• 4 in.
• 8 in.
• 12 in.
• 16 in.

Tags

CCSS.HSG.GMD.A.1

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be? Use π = 3.14. (You are going to have to find the diameter then radius before finding area.)

• 50.24 in.²
• 200.96 in²
• 12.56 in. ²
• 78.88 in^.2

Tags

CCSS.HSG.GMD.A.1

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 = π x 5 x 5
• A = π x 2.5 x 2.5

Tags

CCSS.7.G.B.4

A clock face has a diameter of 10 inches. What is the approximate area of the clock face in square inches?

• 314 in²
• 31.4 in²
• 7.85 in²
• 78.5 in²

Tags

CCSS.HSG.GMD.A.1

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²
• 68.345 ft²
• 64.585 ft²
• 61.345 ft²

Tags

CCSS.7.G.B.4