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- 1. Multiple Choice
Is the red line a radius or diameter of the circle?RadiusDiameter - 2. Multiple Choice
What is the area of this circle? Use the Pi button.
452.39 cm2
139.12 cm2
113.1 cm2
84.23 cm2
- 3. 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.
- 4. 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.
- 5. Multiple Choice
The homeowners association wants to enclose the playground in a fence. How much fencing will they need to purchase?
Would you need to find the Area or Circumference?
area
circumference
neither
- 6. Multiple ChoiceWhat is the radius of this circle?183698
- 7. Multiple Choice
Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the distance around the bowl? Use the Pi button.
21.98 cm
43.98 cm
87.96 cm
7 cm
- 8. Multiple ChoiceWhat is the formula for area of a circle?A = π×r²A = 2×π×r
- 9. Multiple Choice
Which of the following is the most accurate definition of π ?
The ratio of the circumference of any circle to its diameter.
It is exactly 3.14
It is exactly 3.1415
It is exactly 3.141593
- 10. Multiple ChoiceThe radius is....a line that crosses through the center and touches each edgethe center point of a circlea line from the center point to the edge of the circlean element in science
- 11. Multiple Choice
Find the area of the circle below. Use 3.14 for Pi.
100 cm2
225 cm2
9 cm2
28.26 cm2
- 12. Multiple Choice
What is the circumference of a circle with a diameter of 19.1 ft? Use 3.14 for Pi.
60.00 ft
35.17 ft
28.67 ft
47.17 ft
- 13. Multiple Choice
A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock? Use 3.14 for Pi.
86.70 meters
76.66 meters
66.66 meters
96.66 meters
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