The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 360 m, its area is? Select the correct option.
A) 180	B) 882	C) 277	D) 261	E) 281
5x + 12x + 13x = 360 =&gt; x = 12   a = 60, b = 144, c = 156   S = (60 + 144 + 156)/2= 
<gadget id="calculator">(60 + 144 + 156)/2</gadget>
<output>180</output>
180   180nswer: 180
<result>A</result>
The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 360 m, its area is?