Circles II - Challenging

Question 1: Find the radius of the following circle:

A

3

B

3.5

C

\frac{3 \sqrt{3}}{2}

D

2 \sqrt{3}

Question 2: Find the area of a circle with the diameter

12.5 c m

A

122.72 c m^{2}

B

490.87 c m^{2}

C

152.41 c m^{2}

D

315.36 c m^{2}

Question 3: Find the circumference of a circle with the diameter

13 c m

A

20.42 c m

B

40.84 c m

C

81.68 c m

D

61.26 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

19.5 c m

D

6.5 c m

Question 5: Find

T A

if line

t

is the tangent to a circle:

A

11 c m

B

6 c m

C

9 c m

D

12 c m

Question 6: Find angle

α

:

A

65 °

B

130 °

C

90 °

D

70 °

Question 7: Find

n

:

A

13.18 c m

B

17.34 c m

C

8.67 c m

D

11.25 c m

Question 8: Find

h

:

A

17.82 c m

B

19.24 c m

C

32.15 c m

D

21.19 c m

Question 9: Find angle

α

:

A

200 °

B

260 °

C

250 °

D

300 °

Question 10: Find angle

α

:

A

270 °

B

280 °

C

300 °

D

250 °

Test: Circles II - Challenging

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