Test:
Circles I - Normal
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Question 1:
Find the area of the circle:
A
15.7
c
m
2
B
62.8
c
m
2
C
78.5
c
m
2
D
31.4
c
m
2
Question 2:
Find the circumference of the circle:
A
455.4
c
m
B
75.4
c
m
C
118.4
c
m
D
37.7
c
m
Question 3:
Find the area of a circle with a diameter:
d
=
15
c
m
A
176.71
c
m
2
B
47.12
c
m
2
C
148.04
c
m
2
D
706.86
c
m
2
Question 4:
A circle has a radius of
7
c
m
. What is the diameter of the circle?
A
14
c
m
B
43.9
c
m
C
3.5
c
m
D
11
c
m
Question 5:
Find the measure of the angle
α
:
A
80
∘
B
85
∘
C
87
∘
D
90
∘
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