Mathematics

Problem

Calculate the area of a sector of a circle of radius

6\,\text{cm}

that subtends an angle of

120^{\circ}

at the centre. a)

75.4\,\text{cm}^{2}

36.0\,\text{cm}^{2}

37.7\,\text{cm}^{2}

18.8\,\text{cm}^{2}