In Fig. 4 is a sector of circle of radius 10.5 cm. Find the perimeter of the sector. (Take $\pi = \frac{22}{7}$)

[IMAGE_1]

Question

In Fig. 4 is a sector of circle of radius 10.5 cm. Find the perimeter of the sector. (Take $\pi = \frac{22}{7}$)

[IMAGE_1]

Accepted Answer

Step 1: Perimeter $= 2r + \frac{\pi r 	heta}{180°} = 2 	imes 10.5 + \frac{22}{7} 	imes 10.5 	imes \frac{60°}{180°}$
Step 2: $= 21 + 11 = 32$ cm

Question