Finding Diameter and Radius of a Circle

The ______ is the distance across the circle from one side to the other through the center of the circle.

• Circumference

• Diameter

• Radius

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

• Circumference

• Diameter

• Radius

The formula used to find the diameter when given a radius measurement is

Tags

CCSS.7.G.B.4

The formula used to find the radius when given a diameter measurement is

Tags

CCSS.7.G.B.4

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

What is the diameter?

• 8

• 16

• 10

• 4

Tags

CCSS.7.G.B.4

To go from diameter to radius, what do I need to do?

• divide by 3.14

• multiply by 3.14

• multiply by 2

• divide by 2

Tags

CCSS.7.G.B.4

The diameter of a circle is:

• The measurement around the circle.

• The distance from an edge of a circle to another edge.

• The distance from the center of the circle to an edge of a circle

• The distance from an edge of a circle to another edge through the center. 

Tags

CCSS.HSG.C.A.2

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4