Lavanya hold a Japanese folding fan in her hand as shown in figure. It is shaped like a sector of a circle. The inner and outer radii are 14 cm and 21 cm. The fan has three colour materials.

(i) If the region containing the pink colour makes an angle of 72⁰ at the centre, what is the area of the region having pink colour ?
(a) 214 cm²
(b) 154 cm²
(c) 275 cm²
(d) 196 cm²

(ii) If the region containing the orange colour makes an angle of 54° at the centre, what is the area of the region having orange colour ?
(a) 175.5 cm²
(b) 115.5 cm²
(c) 198.5 cm²
(d) 210.6 cm²

(iii) If the region containing the red colour makes an angle of 45° at the centre, what is the perimeter of the region having red colour ?
(a) 41.5 cm
(b) 28.9 cm
(c) 56.5 cm
(d) 62.4 cm

(iv) What is the area of the region having radius 14 cm ?
(a) 324.6 cm²
(b) 292.2 cm²
(c) 262.2 cm²
(d) 310.4 cm²