Test: Circles II - Challenging

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