Find the Radius and Diameter

What is radius?

• a straight line going from the center point of a circle to the outer edge

• Diameter is a straight line going from the outer edge of a circle to the other outer edge

• the line that goes complete around the outside of a circle

• radius is the area inside a circle

Find the radius of a circle who's diameter is 40 ft.

• 40ft

• 80ft

• 20ft

• 45ft

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18

• 10

• 9

• 8

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 3.5

• 3

• 5

• 7

Tags

CCSS.7.G.B.4

A circle has a diameter of 156 inches. What is the radius?

• 78

• 312

• 156

• 90

Tags

CCSS.7.G.B.4

A circle has a radius of 19.54 yards. What is the diameter?

• 19.54

• 39.08

• 20.07

• 19.70

Tags

CCSS.7.G.B.4

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

What is the diameter?

(do not find circumference)

• 8

• 16

• 10

• 4

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

Which of the following is a radius of the circle?

• DA

• GE

• HI

• FG