Circumference and Area Real World

The Carillo family has a circular swimming pool with a diameter of 10 feet. Find the area of the pool cover to the nearest tenth.

• 94 ft²

• 53.4 ft²

• 70.9 ft²

• 78.5 ft²

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

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.7.G.B.4

A circular pie has an area of 706.5 cm². What is the radius of the pie?

• 225 cm

• 30 cm

• 15 cm

• 112.5 cm

Tags

CCSS.7.G.B.4

My dog's food bowl has the following measures:
Diameter=8 inches
Radius=4 inches
Circumference= ?
What is the circumference? 

• 201.06 inches

• 12.57 inches

• 50.27 inches

• 25.13 inches

Tags

CCSS.7.G.B.4

What is the area of the base of a glitter jar with the diameter of 5.6 cm?

• 17.59 cm²

• 24.63 cm²

• 98.52 cm²

• 8.79 cm²

Tags

CCSS.7.G.B.4

Danielle wants to make cookies for 3 friends. The radius of a 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?

Tags

CCSS.7.G.B.4

The circumference of the moon is the approximate distance around a circle with a radius 1,736 kilometers. Find the circumference of the moon. Use 3.14 for pi and round to the nearest tenth!

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know.

• 15π

• 20π

• 40π

• 30π

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π

• c = 2π15

• c = π(15²)

• c = π(7.5²)

Tags

CCSS.7.G.B.4