The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 240 m, its area is?	Choose the correct choice from the following options.
A) 150  B) 882  C) 277  D) 261  E) 120
5x + 12x + 13x = 240 =&gt; x = 8   a = 40, b = 96, c = 104   S = (40 + 96 + 104)/2= 
<gadget id="calculator">(40 + 96 + 104)/2</gadget>
<output>120</output>
120   Answer: 120
<result>E</result>
The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 240 m, its area is?