Bell Ringer March 5

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

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

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

The diameter of a circle is 10 in. What is the circumference of this circle?

• $10\pi$

• $14\pi$

• $6\pi$

• $8\pi$

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

• Diameter

• Radius

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

• Diameter
• Radius

Diameter 14 inches
Find the area of a circle.

• 615.44 in²
• 153.86 in²
• 43.96 in²
• 87.92 in²

Radius 4 inches
Find the circumference of the circle. 

• 25.12 in
• 12.56 in
• 50.24 in
• 200.96 in

What is the distance around a circle called?

• the radius

• the diameter

• the circumference

Find the diameter of a circle with a circumference of 40.82 inches.

• 12 inches
• 13 inches
• 20.41 inches
• 22 inches

Find the diameter of a circle with a circumference of 25.12 inches.

• 8 inches
• 11 inches 
• 4 inches 
• 13 inches