10/23 Circles Overview

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

A _____ is half of a circle.

• circumference
• pi
• semicircle
•  composite figure

Tags

CCSS.HSG.C.A.2

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

Tags

CCSS.HSG.CO.A.1

Find the radius of the circle

• 20 ft

• 10 ft

• 5.5 ft

• 10

Tags

CCSS.7.G.B.4

Find the area of the circle. (use 3.14 for $\pi$ ) 

• 43.96

• 153.86

• 87.82

• 307.72

Tags

CCSS.7.G.B.4

What is the area of this circle? (use 3.14 for  $\pi$  ).

• 15393.8  $mi^2$  

• 3846.5  $mi^2$  

• 5930.12  $mi^2$  

• 1248.12  $mi^2$  

Tags

CCSS.7.G.B.4

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once? What is the circumference of this tire?

• 81
• 15.5
• 27
• 13

Tags

CCSS.7.G.B.4

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 ft
• 365 ft
• 393 ft

Tags

CCSS.7.G.B.4

The circumference is 62.8 inches.  What is the radius?

• 20 inches
• 10 inches
• 6.28 inches
• 31.4 inches

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft
• 12.25 ft
• 10.99 ft
• 8.75 ft

Tags

CCSS.7.G.B.4