Calculate the size of the minor arc from the diagram.
Give your answer correct to 2 decimal places.
18.84cm
3.14cm
6.28cm
9.42cm
Calculate the area of the shaded sector shown in the diagram below.
Give your answer correct to the nearest whole number.
17cm2
7cm2
3cm2
PQ is an arc of length 210 mm in a circle with centre C and radius 200 mm.
Calculate the size of ∠PCQ, to the nearest degree.
80˚
57˚
60˚
ACB is a sector of a circle with centre C and radius 1.6 m.
If the area of the shaded sector is 1.57 m2, then calculate the size of ∠ACB, to the nearest degree.
56˚
70˚
112˚