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WorksheetsArea & Circumference of Circles
Total questions: 20
Worksheet time: 51mins
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
A circle has a radius of 5 cm. What is the area?
78.5 cm2
31.4 cm2
15.7 cm2
314 cm2
The diameter of a quarter is 24.26 mm. What is closest to the circumference of the outer edge of the quarter? Use 3.14 for Pi.
76.18 mm
38.01 mm
463 mm
1,848 mm
The diameter of the wheel on a bicycle is 24 inches. Which is closest to the circumference of the wheel?
25.36 in
37.68 in
75.36 in
452.16 in
The radius of this pizza is 9 ½ in. What is the approximate area of the pizza?
81 in2
29.83 in2
59 ⅔ in2
283 ½ in2
The circumference of a circle is 37.68 yds. What is the diameter? Use 3.14 for Pi.
118.3 yds
6 yds
12 yds
59.5 yds
The circumference of a circle is 28.26 cm. What is closest to the area of the circle.
254.34 cm2
14.13 cm2
63.6 cm2
What is the diameter of circle with a radius of 6?
12
36
2 times 3
42
What is the formula to find the area of a circle?
A = πd
A = 2πr
A = πr2
A = xyz
Find the area of the circle in the picture.
34.54 in²
69.08 in²
379.94 in²
254.34 in²
A horse is tethered to a peg at the center of the field. If the length of the rope is 18.3 m (radius), what will be the maximum area the horse can graze?
1051.6 m2
57.5 m2
75.76 m2
4206 m2
A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of equal size, what is the area of each stained glass section? Express answer to the nearest square foot. (Hint: the 3 sections together are 1/2 a circle, so each section is how much of the circle?)
1 sq. ft
13 sq. ft
3 sq. ft
26 sq. ft
What is the approximate area of the given circle?
94.8 cm2
47.4 cm2
716 cm2
2863.8 cm2
This crop circle has a diameter of 118 ft. What is the approximate area of the crop circle?
370.5 ft2
43,721.4 ft2
10,930.34 ft2
185.26 ft2
