Test: Circles I - Normal

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Question 1:   Find the area of the circle:
31.4c m 2
78.5c m 2
62.8c m 2
15.7c m 2
Question 2:   Find the circumference of the circle:
75.4cm
118.4cm
455.4cm
37.7cm
Question 3:   Find the area of a circle with a diameter: d=15cm
706.86c m 2
47.12c m 2
176.71c m 2
148.04c m 2
Question 4:   A circle has a radius of 7cm . What is the diameter of the circle?
11cm
3.5cm
43.9cm
14cm
Question 5:   Find the measure of the angle α :
87
85
90
80
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