Test:
Circles II - Challenging
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Question 1:
Find the radius of the following circle:
A
3
B
3.5
C
3
3
2
D
2
3
Question 2:
Find the area of a circle with the diameter
12.5
c
m
A
152.41
c
m
2
B
315.36
c
m
2
C
490.87
c
m
2
D
122.72
c
m
2
Question 3:
Find the circumference of a circle with the diameter
13
c
m
A
40.84
c
m
B
61.26
c
m
C
20.42
c
m
D
81.68
c
m
Question 4:
What is the radius of a circle with the circumference
26
π
c
m
?
A
13
c
m
B
26
c
m
C
6.5
c
m
D
19.5
c
m
Question 5:
Find
T
A
if line
t
is the tangent to a circle:
A
11
c
m
B
9
c
m
C
6
c
m
D
12
c
m
Question 6:
Find angle
α
:
A
65
°
B
130
°
C
70
°
D
90
°
Question 7:
Find
n
:
A
8.67
c
m
B
17.34
c
m
C
11.25
c
m
D
13.18
c
m
Question 8:
Find
h
:
A
17.82
c
m
B
32.15
c
m
C
21.19
c
m
D
19.24
c
m
Question 9:
Find angle
α
:
A
200
°
B
250
°
C
260
°
D
300
°
Question 10:
Find angle
α
:
A
250
°
B
270
°
C
300
°
D
280
°
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