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20 questions
What is the area of this circle?
201.06 square meters
50.24 square meters
123.12 square meters
25.12 square meters
What is the area of this circle?
62.59 cm2
113.1 cm2
18.84 cm2
28.26 cm2
A circle has a diameter of 17 inches. What is the area?
26.69 in2
226.87 in2
72.25 in2
53.38 in2
The radius of a circle is (a) the diameter.
Find the area.
5541.77
A circular swimming pool is 21 feet in diameter.
How many square feet is the area of the pool?
693 ft2
346.5 ft
65.94 ft2
346.2 ft2
Circumference
Area
Diameter
Radius
What is the formula for finding the circumference of a circle?
C = r2
C = rd
A = π·r2
C = π·d
What number represents π?
31.4
4.13
3.14
34.1
What is the area of this circle?
1256.64 in2
31.41 in2
314 in2
62.8 in2
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