Area Circumference Circle Challenge Questions

What is the area of this circle?

• 1385.44

• 2142.12

• 5541.77

• 1289.12

Tags

CCSS.7.G.B.4

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

Danielle wants to make cookies for 3 friends. The radius on each cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?

• 47.1 in²

• 235.6 in²

• 78.5 in²

• 15.7 in²

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.7.G.B.4

This formula is used to find what?

• Area

• Circumference

Tags

CCSS.7.G.B.4

A circular mirror has a 2 inch frame around it. The mirror itself is 8 inches in diameter. What is the area of the frame? Use 3.14 for pi.

Tags

CCSS.7.G.B.4

Identify the parts of the circle and show how you would find the area and circumference.

Groups:

(a) radius

,

(b) diameter

,

(c) circumference

,

(d) area

Tags

CCSS.7.G.B.4

Match the following definitions to the terms:

• feet, cm, inches

• Area of a circle

• How much space a circle takes up

• Units of circumference

• The distance around a circle

• Units of area

• square units (units²)

• Circumference of a circle

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Zoey, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

Tags

CCSS.7.G.B.4

The diameter of a quarter is 24.26 mm. What is closest to the circumference of the outer edge of the quarter? Use 3.14 for Pi.

• 76.18 mm

• 38.01 mm

• 463 mm

• 1,848 mm

Tags

CCSS.7.G.B.4