Circles, Circles Review!!!

What is a straight line that goes through the center of a circle from side to opposite side?

• Diameter

• Circumference

• Radius

• Center

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

A tire has a radius of 14 inches. What is its diameter?

• 14 inches

• 7 inches

• 28 inches

Tags

CCSS.7.G.B.4

What is the length of the radius of the circle?

Tags

CCSS.7.G.B.4

The distance around a circle; much like the perimeter of a rectangle.

• perimeter
• diameter
• circumference
• radius

What is pi?

Check ALL applicable answers!

• a delicious dessert

• the ratio between circumference and diameter

• a Greek symbol

• exactly 3.14

• approximately 3.14

Tags

CCSS.HSG.GMD.A.1

The radius of the circle is 9 meters. What is the circle's circumference?

Tags

CCSS.7.G.B.4

If a circle has a radius of 5 ft. then which formula below is correct for the area?

• π(5)
• π(10)
• π(5)(5)
• π(10)(10)

Tags

CCSS.7.G.B.4

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science