Test:
Circles II - Challenging
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Question 1:
Find the radius of the following circle:
A
$\frac{3\sqrt{3}}{2}$
B
$3.5$
C
$3$
D
$2\sqrt{3}$
Question 2:
Find the area of a circle with the diameter
$12.5cm$
A
$122.72c{m}^{2}$
B
$315.36c{m}^{2}$
C
$490.87c{m}^{2}$
D
$152.41c{m}^{2}$
Question 3:
Find the circumference of a circle with the diameter
$13cm$
A
$40.84cm$
B
$61.26cm$
C
$81.68cm$
D
$20.42cm$
Question 4:
What is the radius of a circle with the circumference
$26\pi cm$
?
A
$6.5cm$
B
$26cm$
C
$19.5cm$
D
$13cm$
Question 5:
Find
$TA$
if line
$t$
is the tangent to a circle:
A
$11cm$
B
$12cm$
C
$9cm$
D
$6cm$
Question 6:
Find angle
$\alpha $
:
A
$70\xb0$
B
$90\xb0$
C
$65\xb0$
D
$130\xb0$
Question 7:
Find
$n$
:
A
$11.25cm$
B
$8.67cm$
C
$17.34cm$
D
$13.18cm$
Question 8:
Find
$h$
:
A
$17.82cm$
B
$21.19cm$
C
$19.24cm$
D
$32.15cm$
Question 9:
Find angle
$\alpha $
:
A
$260\xb0$
B
$200\xb0$
C
$250\xb0$
D
$300\xb0$
Question 10:
Find angle
$\alpha $
:
A
$300\xb0$
B
$270\xb0$
C
$280\xb0$
D
$250\xb0$
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