Circles Review

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft

• 246.2 ft

• 365.56 ft

• 392.5 ft

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 12

• 6

• 24

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 1256.64

• 31.41

• 314.16

• 123.12

Tags

CCSS.7.G.B.4

a

b

c

d

Diameter

Circumference

Radius

Chord

• F

• G

• H

• J

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

A line segment with one endpoint at the center of a circle and the other on the circle

• radius

• diameter

• chord

• circumference

A circular railroad-crossing sign has a diameter of 30 inches. Which measurement is closest to the area of the sign in square inches?

• 94.2 sq in

• 188.4 sq in

• 706.5 sq in

• 286.6 sq in

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 20

• 10

• 40

Tags

CCSS.7.G.B.4