Circles!

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2
• Divide the diameter by 2
• Add 2 to the diameter
• Subtract 2 from the diameter

Tags

CCSS.7.G.B.4

What is the circumference?

• 50.24

• 25.12

• 24.5

• 18.3

Tags

CCSS.7.G.B.4

If the circumference of a circle is 22 π ft, what is the radius?

• 22 ft
• 11ft
• π ft
• no ft

Tags

CCSS.7.G.B.4

What is the circumference?

• 36

• 115.45

• 108

• 113.04

Tags

CCSS.7.G.B.4

The distance all the way around the circle is called the...

• radius

• diameter

• circumference

• area

Tags

CCSS.7.G.B.4

Find the area of the circle. Leave in terms of π.

• 18π in²

• 9π in²

• 81π in²

Tags

CCSS.7.G.B.4

The diameter of the circle is 6 inches. What is the circumference? Leave in terms of π.

• 6π in

• 12π in

• 36π in

• 24π in

Tags

CCSS.7.G.B.4

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

• diameter
• radius
• π
• center

Tags

CCSS.HSG.CO.A.1

Find the area of the circle.

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

The diagram below shows the radius of the circular opening of a bowl. What is the approximate circumference of the opening in centimeters?

• 29.83

• 9.5

• 59.66

Tags

CCSS.7.G.B.4