Area and Circumference of a Circle CFA

The ____________ is the distance around a circle.

• circumference

• pi

• area

• radius

• diameter

The ____________ is the space inside a circle.

• circumference

• pi

• area

• radius

• diameter

Which two statements are true?

• The radius is half the length of the diameter.

• The diameter is half the length of the radius.

• The radius is twice as long as the diameter.

• The diameter is twice as long as the radius.

Tags

CCSS.HSG.C.A.2

If the diameter of a circle is 24 feet, what is the radius?

• 12 inches

• 1 foot

• 12 feet

• 48 feet

Tags

CCSS.7.G.B.4

Steven purchases a bowl. The diameter of the

bowl is 14 cm. What is the circumference of the

bowl?

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

Tags

CCSS.7.G.B.4

What is the circumference of the circle?

• 5 in

• 10 in

• 31.4 in

• 15.84 in

Tags

CCSS.7.G.B.4

While on vacation in Turkey, my mom bought me this wine decanter. The circumference is 27 inches. What is the diameter? Round your answer to the nearest tenth.

• 9.2 inches

• 7.4 inches

• 8.6 inches

• 7.9 inches

Tags

CCSS.7.G.B.4

Find the area of the circle.

• 803.84 cm²

• 25.12 cm²

• 50.24 cm²

• 200.96 cm²

Tags

CCSS.7.G.B.4

The radius of Mrs. Sanchez's homemade tortilla is 4 in. What is the are of her tortilla in $in^2$   ?

• 49.5  $in^2$  

• 67.38 $in^2$  

• 50.24  $in^2$  

• 12.56  $in^2$  

Tags

CCSS.7.G.B.4

A NBA free-throw line is 12 feet long. Since the line is across the center of a circle, it's the diameter. What would be the area of the free throw circle?

• $113.04\ ft^2$

• $452.16\ ft^2$

• $37.68\ ft^2$

• $18.84\ ft^2$

Tags

CCSS.7.G.B.4