Test: Circles I - Ambitious

Double click on maths expressions to zoom
Question 1:   Calculate the area of a circle if its circumference is 113.1cm
468.2c m 2
1017.9c m 2
355.3c m 2
706.9c m 2
Question 2:   Calculate the radius of a circle if its area is 78.54cm 2
5cm
6cm
7cm
4cm
Question 3:   Find the area of a sector:
907.92c m 2
187.61c m 2
302.64c m 2
453.96c m 2
Question 4:   Calculate the angle α if the sector area is 32.72c m 2
170
140
150
125
Question 5:   Calculate the area of a circle:
143.4c m 2
50.3c m 2
100.5c m 2
226.2c m 2
Question 6:   Calculate the area of a square if the area of a circle is: 64πc m 2 :
116c m 2
112c m 2
64c m 2
128c m 2
Question 7:   Calculate the radius length of the circle:
12cm
13cm
15cm
6.5cm
Question 8:   Calculate the area of the shaded region:
7.7c m 2
11.1c m 2
12.2c m 2
6.5c m 2
Question 9:   Calculate the area of the shaded figure:
13.25c m 2
7.41c m 2
12.21c m 2
15.71c m 2
Question 10:   Calculate the area of the shaded region:
12.7c m 2
15.25c m 2
13.66c m 2
14c m 2