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Circles Quiz
By Belinda Reyna
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Last updated 21 days ago
5 questions
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Question 1
1.
Question 2
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Question 3
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Question 4
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Question 5
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A circle has a radius of 5.5 centimeters. Which measurement is closest to the circumference of the circle in centimeters?
17.27 cm
34.54 cm
94.98 cm
45.32 cm
Which definition describes pi π
The ratio of the circumference of a circle to its radius.
The ratio of the circumference of a circle to its diameter.
The ratio of diameter of the circle to its circumference
The ratio of radius of the circle to its circumference
The head of a nail is circular. The head of this nail has a diameter of 6 millimeters.
Which measurement is the closest to the area of the head of this nail in square millimeters?
9.42 mm
2
113.04 mm
2
28.26 mm
2
37.68 mm
2
An observatory is shaped like a cylinder standing on one of its bases with the dome on top. The diameter of the floor of the observatory is 64 feet.
Which measurement is the closest to the circumference of the base of the observatory in feet?
200.96 ft
3,215.36 ft
100.48 ft
401.92 ft
The radius of a circular area of grass is 7 ft.
Which measurement is closest to the area in square feet that the sprinkler sprays water?
21.98 ft
2
53.38 ft
2
615.44 ft
2
153.86 ft
2