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WorksheetsYear 8 - Area of a Circle (calculator)
Total questions: 10
Worksheet time: 17mins
Name
Class
Date
1.
Find the area of a circle with a diameter of 20 cm.
(pi=3)
a)
300 cm2
b)
60 cm2
c)
300 cm
d)
1200 cm2
2.
Find the area of a circle with a diameter of 14 cm.
(pi=3)
a)
157 cm2
b)
147 cm2
c)
137 cm
d)
117 cm2
3.
Find the area of this shape:
a)
144π cm2
b)
288π cm2
c)
576π cm2
d)
72π cm2
4.
Find the area of this shape:
a)
144π cm2
b)
32π cm2
c)
64π cm2
d)
16π cm2
5.
The diameter of Carol's old records from the 80s is 12 inches. Which equation would help you determine the area?
a)
A = 12π
b)
A = 2π12
c)
A = π(12²)
d)
A = π(6²)
6.
Find the area of the circle below.
a)
113.04 cm²
b)
18.84 cm²
c)
9 cm²
d)
28.26 cm²
7.
a line from the center point to the edge of the circle
a)
diameter
b)
radio
c)
radius
d)
pi
8.
A cruise ship has a large, circular window. It has a diameter of 8 meters. What is the window's area?
a)
31.25 m2
b)
29.55 m2
c)
30.36 m2
d)
50.27 m2
9.
What is the area of a circle with a diameter of 10 cm ?
a)
31.4 cm²
b)
78.5 cm²
c)
15.7 cm²
d)
314 cm²
10.
What is the circumference of a circle with a diameter of 10 cm?
a)
31.4 cm
b)
78.5 cm
c)
62.8 cm
d)
314 cm
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