A spinner of radius 7.5 cm is divided into 6 equal sectors. Find the area of each of the sectors.

From the three vertices of an equilateral triangle of side 12 cm, Nishanth cuts sectors of 5 cm radius each and forms the following shape. Find the area of that shape. (π = 3.14)

Pradeep wants to make a semicircular arch design at the entrance of his house with three equal sectors, as shown in the Fig.2.19 to be fitted in the iron frame. Find the length of the iron frame required and also the area of each of the sectors for which the mirrors to be fixed.

Kamalesh has a dining table, circular in shape of radius 70 cm, whereas Tharun has a circular quadrant dining table of radius 140 cm. Whose dining table has a greater area? \(\left(\pi=\frac{22}{7}\right)\)

Four identical medals, each of diameter 7 cm are placed as shown in Figure. Find the area of the shaded region between the medals. \(\left(\pi=\frac{22}{7}\right)\).