The sector of a circle has radius of 7 cm and central angle 135o. Find its perimeter?	Choose the correct choice from the following.
A) 91.5 cm B) 92.2 cm C) 28.9 cm D) 30.5 cm E) 98.2 cm
Perimeter of the sector = length of the arc + 2(radius)   = (135/360 * 2 * 22/7 * 7) + 2(7)   = 16.5 + 14= 
<gadget id="calculator">16.5 + 14</gadget>
<output>30.5</output>
30.5 cm   Answer:30.5 cm
<result>D</result>
The sector of a circle has radius of 7 cm and central angle 135o. Find its perimeter?