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- 1. Multiple ChoiceA DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?c = 15πC = 2π15c = 15 ÷ πc = 15 π
- 2. Multiple Choice
Is the red line a radius or diameter of the circle?RadiusDiameter - 3. Multiple ChoiceFind the area of the circle43.96153.8687.82307.72
- 4. Multiple ChoiceJayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.4 in.8 in.12 in.16 in.
- 5. Multiple ChoiceThe radius is 8 inches. What is the circumference?50.24 inches25.12 inches12.56 inches200.96 inches
- 6. Multiple ChoiceWhat 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.
- 7. Multiple ChoiceWhat is the area of a circle?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.
- 8. Multiple ChoiceHow do you find the radius?π*2d/2π*rI do not know
- 9. Multiple ChoiceA Circle has a radius of 4. What is the circumference of the circle? (Best Choice)4π or about 12.5616π or about 50.242π or about 6.288π or about 25.12
- 10. Multiple Choice
If r = 4, d = ?
4
2
8
8π
- 11. Multiple Choice
What is the diameter of the circle in the image?
10
20π
20
100
- 12. Multiple Choice
What is the formula for finding the area of a circle?
- 13. Multiple Choice
What does π equal?
3
3.14
3.2
21/7
- 14. Multiple Choice
A circle as a circumference of 36π meters. What is the radius of the circle?
36 meters
6 meters
12 meters
18 meters
- 15. Multiple Choice
MUST DO: What is the approximate area of the circle above?
44 inches squared
154 inches squared
616 inches squared
- 16. Multiple ChoiceIf the radius of a circle is 12.5 meters, the diameter is ____6.25 meters125 meters25 meters50 meters
- 17. Multiple ChoiceWhat is the radius of this circle?12cm6cm24cm3cm
- Answer choicesTagsAnswer choicesTags