Circumference vs Area

What is the formula for CIRCUMFERENCE of a circle?

• C=πd

• C=πd²

• A=πr²

• C=πβγΔ

Tags

CCSS.7.G.B.4

What is the circumference of the circle?

• 25.12 in.

• 12.56 in.

• 50.24 in.

Tags

CCSS.7.G.B.4

Steven purchases a bowl. The diameter of the

bowl is 14 cm. What is the distance around the bowl?

• 21.98 cm

• 43.96 cm

• 87.96 cm

• 7 cm

Tags

CCSS.7.G.B.4

What is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

Match the following definitions to the terms:

• Units of circumference

• feet, cm, inches

• Area of a circle

• square units (units²)

• Circumference of a circle

• How much space a circle takes up

• Units of area

• The distance around a circle

Tags

CCSS.7.G.B.4

Find the circumference of the circle

• 21.98

• 153.86

• 43.96

• 615.44

Tags

CCSS.7.G.B.4

Find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

The perimeter of a circle is usually called the...

• radius

• diameter

• circumference

• area

Tags

CCSS.7.G.B.4

Find the circumference of the circle with a radius of 13.2 km. Round your answer to the nearest tenth place. Use 3.14 for pi.

Tags

CCSS.7.G.B.4

Sean is building a round table. The table has a diameter of 6.5 feet. Round to the nearest hundreth. What is the area of the table? Use 3.14 for pi.

Tags

CCSS.7.G.B.4