Radius, Diameter and Circumference

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the radius?

• 18
• 72
• 38
• 14

Tags

CCSS.7.G.B.4

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

Tags

CCSS.7.G.B.4

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.7.G.B.4

What is the radius of a circle when the diameter is 70 m?

• 38 m

• 35 m

• 90 m

• 140 m

Tags

CCSS.7.G.B.4

If a radius of a circle is 24 m, what is the diameter?

• 12 m

• 32 m

• 25 m

• 48 m

Tags

CCSS.7.G.B.4

What is the circumference of this circle ?

• 3.14 cm

• 37.68 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

What is the circumference of the circle?

• 21.98

• 10.99

• 43.96

• 87.92

Tags

CCSS.7.G.B.4

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft
• 42 ft
• 65.94 ft
• 131.95 ft

Tags

CCSS.7.G.B.4