the area of a sector of a circle of radius 4 cm formed by an arc of length 4.5 cm is?	Choose the correct answer:
A) 8.78	B) 8.67	C) 8.75	D) 8.98	E) 9
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 * 4.5</gadget>
<output>18</output>

<gadget id="calculator">(1/2) * 18</gadget>
<output>9</output>

<result>E</result>
the area of a sector of a circle of radius 4 cm formed by an arc of length 4.5 cm is?
multiply(divide(const_1, const_2), multiply(4, 4.5))
"( 4 * 4.5 ) / 2 = 9 answer : e"