The sector of a circle has radius of 21 cm and central angle 130o. Find its perimeter?	Choose the most appropriate option:
A) 89.7
B) 91.4
C) 91.7
D) 91.3
E) 91.1
Perimeter of the sector = length of the arc + 2(radius)   = (130/360 * 2 * 22/7 * 21) + 2(21)   = 47.7 + 42= 
<gadget id="calculator">47.7 + 42</gadget>
<output>89.7</output>
89.7 cm   89.7nswer:89.7
<result>A</result>
The sector of a circle has radius of 21 cm and central angle 130o. Find its perimeter?