The sector of a circle has radius of 21 cm and central angle 110o. Find its perimeter?
Choose the correct choice from the following options:
A) 91.5
B) 91.4
C) 91.7
D) 82.3
E) 91.1
Perimeter of the sector = length of the arc + 2(radius)   = (110/360 * 2 * 22/7 * 21) + 2(21)   = 40.3 + 42= 
<gadget id="calculator">40.3 + 42</gadget>
<output>82.3</output>
82.3 cm   Answer:82.3
<result>D</result>
The sector of a circle has radius of 21 cm and central angle 110o. Find its perimeter?