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

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

What is the radius of this circle?

• 18
• 36
• 9
• 6

What is the diameter of this circle?

• 3.5
• 6.5
• 6
• 7

What is circumference?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.96 cm
• 87.96 cm
• 7 cm

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

• Diameter

• Radius

Which answer is in terms of pi?

• 3.14

• 9 * 3.14

• 18.32