The area of a sector of a circle of radius 5 cm formed by an arc of length 4.5 cm is?	Pick.
A) 8.78
B) 11.25
C) 8.75
D) 8.98
E) 8.28
(5 * 4.5)/2= 
<gadget id="calculator">(5 * 4.5)/2</gadget>
<output>11.25</output>
11.25   Answer:11.25
<result>B</result>
The area of a sector of a circle of radius 5 cm formed by an arc of length 4.5 cm is?