Circumference & Area of a Circle

The radius of the circle is 9 meters. What is the circle's circumference?

• 18 meters

• 28.26 meters

• 56.52 meters

Tags

CCSS.7.G.B.4

What is the circumference of this circle? Round to the nearest tenth.

• 3.14 cm

• 37.7 cm

• 24 cm

Tags

CCSS.7.G.B.4

What is the diameter?

• 5 in

• 10 in

• 3.14 in

Tags

CCSS.7.G.B.4

A circle has a radius of 5 cm. What is the area?

• 78.5 cm²

• 31.4 cm²

• 15.7 cm²

Tags

CCSS.7.G.B.4

The diameter of the wheel on a bicycle is 24 inches. Which is closest to the circumference of the wheel?

• 25.36 in

• 37.68 in

• 75.36 in

Tags

CCSS.7.G.B.4

The radius of this pizza is 9 ½ in. What is the approximate area of the pizza?

• 81 in²

• 29.83 in²

• 283 ½ in²

Tags

CCSS.7.G.B.4

What is the formula to find the area of a circle?

• A = πd

• A = 2πr

• A = πr²

Tags

CCSS.7.G.B.4

What is the area of a circle?

• The distance around a circle.

• The space inside the circle.

• A line from side to side passing through the center.

What is circumference?

• The distance around a circle.

• The space inside the circle.

• A line from side to side passing through the center.

Find the area of the circle

• 43.96

• 153.86

• 87.82

Tags

CCSS.7.G.B.4