Area vs Circumference

What is the area formula for a circle?

• A = πr²

• A = 2πr

• A = √π

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

Tags

CCSS.7.G.B.4

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm

• 3.14 mm

• 31.4 mm

• 20 mm

Tags

CCSS.7.G.B.4

What does "circumference" mean?

• Space a circle takes up

• Distance around a circle

• Line from one side of a circle to another

• Line from center of circle to side

What is the formula for area of a circle?

• C=πd

• C=πd²

• A=πr²

• A= C/d

Tags

CCSS.7.G.B.4

What is the area of the circle?

• 15.7 cm²

• 78.5 cm²

• 31.4 cm²

• 5 cm²

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

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