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- 1. Multiple ChoiceIf my diameter is 19 inches, what is my radius?38 inches9.5 inches59.66 inches119.32 inches
- 2. Multiple ChoiceIf my radius is 10ft, what is my diameter?20ft5ft31.4ft62.8ft
- 3. Multiple Choice
what is the circumference of this circle ?3.14 cm37.68 cm24 cm68.4 cm - 4. Multiple ChoiceFind the circumference of a circle with a radius of 12.5 mm .37.68mm18.84mm78.5mmnone of the above
- 5. Multiple ChoiceThe radius of a circle isThe measurement from the center of a circle to an edge of the circle.The measurement around the circleThe measurement from and edge of the circle to another edge through the centerA line perpendicular to the diameter of the circle
- 6. Multiple ChoiceIf you are given the diameter, how can you calculate the radius?Multiply the diameter by 2Divide the diameter by 2Add 2 to the diameterSubtract 2 from the diameter
- 7. Multiple ChoiceIs the red line a radius or diameter of the circle?RadiusDiameter
- 8. Multiple ChoiceWhat is π ? (Best Choice)The ratio of the circumference of any circle to its diameter.Exactly 3.14Exactly 3.1415Exactly 3.141593
- 9. 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.
- 10. Multiple Choice
The circumference is 62.8 inches. What is the radius? (Use 3.14 for π)
20 inches
10 inches
6.28 inches
31.4 inches
- 11. Multiple ChoiceFind the circumference of a circle with a diameter of 11 millimeters.34.6 mm30 mm25.3 mm34.54 mm
- 12. Multiple Choice
Elsie bought a circular rug that is 9 feet in diameter. What is the circumference of the rug rounded to the nearest tenth of a foot?
4.5 feet
14.1 feet
28.3 feet
56.5 feet
- 13. Multiple Choice
A circular track with a diameter of 60 meters is shown. Shaleah walked around the track 4 times. Approximately how many meters did she walk?
377
2826
754
11,304
- 14. Multiple Choice
A circle has a diameter of 4.5 cm. A larger circle has a diameter of 24 cm. What is the approximate difference in the circumferences of the two circles?
19.5 cm
28.5 cm
61 cm
90 cm
- 15. Multiple Choice
A bike tire has a radius of 1.5 feet. How far will the bike go if the wheel rotates around 3 full times? (round your answer to the nearest foot)
about 28 feet
about 14 feet
about 9 feet
about 5 feet
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