The sector of a circle has radius of 28 cm and central angle 135o. Find its perimeter?
Choices:
A) 91.5
B) 91.4
C) 91.7
D) 91.3
E) 122
Perimeter of the sector = length of the arc + 2(radius)   = (135/360 * 2 * 22/7 * 28) + 2(28)   = 66 + 56= 
<gadget id="calculator">66 + 56</gadget>
<output>122</output>
122 cm   Answer:122
<result>E</result>
The sector of a circle has radius of 28 cm and central angle 135o. Find its perimeter?