Test: Circles I - Normal

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Question 1:   Find the area of the circle:
78.5c m 2
15.7c m 2
62.8c m 2
31.4c m 2
Question 2:   Find the circumference of the circle:
118.4cm
75.4cm
37.7cm
455.4cm
Question 3:   Find the area of a circle with a diameter: d=15cm
176.71c m 2
47.12c m 2
706.86c m 2
148.04c m 2
Question 4:   A circle has a radius of 7cm . What is the diameter of the circle?
43.9cm
3.5cm
14cm
11cm
Question 5:   Find the measure of the angle α :
80
85
90
87
Question 6:   Find the area of a sector:
125.7c m 2
157.1c m 2
314.2c m 2
103.7c m 2
Question 7:   Find the arc length:
6.28cm
10.47cm
15.71cm
7.85cm
Question 8:   Calculate the circumference of a circle if a radius is 11cm
69.12cm
138.23cm
108.57cm
380.13cm
Question 9:   Calculate the area of a circle if radius is 8cm
50.27c m 2
201.06c m 7
402.12c m 2
78.96c m 2
Question 10:   Calculate the area of a circle if circumference is 72πcm
517.6c m 2
4071.5c m 2
1017.9c m 2
226.2c m 2