Geometry Chapter Circles

What is the diameter?

• 8
• 16
• 10
• 4

What is the radius?

• 18
• 72
• 38
• 14

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

• Radius
• Diameter

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

• Radius
• Diameter

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

• 40ft
• 80ft
• 20ft
• 45ft

What is the length around a circle called?

• the radius

• the diameter

• the circumference

What is the circumference?

• 48
• 96
• 24
• 18

The radius of a circular clock is 13 centimeters. What is the area?

• 530.66 cm²

• 81.68 cm²

• 40.84 cm²

• 348.99 cm²

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

What is CB?

• diameter
• center
• circumference
• radius