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14 questions
A DVD has a diameter of 15 millimeters. What is the circumference?
C = 15π mm
C = 30π mm
C = 15/π mm
C = 15/2π mm
What is the circumference of a circle with a radius of 5 in terms of π ?
5 π units
10 π units
25 π units
50 π units
What is the circumference?
36 ft2
18π ft2
108π ft2
36π ft2
What is the circumference of a circle with a diameter of 9?
81π
9π
3π
6π
A cruise ship has a large, circular window. It has a diameter of 6 meters. How many square meters of glass is the window made of?
31.25 m2
29.55 m2
30.36 m2
28.27 m2
What is the area of this circle?
50.27 cm2
78.23 cm2
98.12 cm2
201.06 cm2
A DVD has a diameter of 15 millimeters. Which equation would help you determine the area?
A = 152π
A = 2π15
A = 7.52π
A = 15 π
what is the area of this semicircle ?
100.48cm2
80cm2
200.96cm2
25.12 cm2
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