The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 300 m, its area is?  Choose the correct choice from the following:
A) 3000 sq m  B) 2887 sq m  C) 6296 sq m  D) 2587 sq m  E) 5854 sq m
5x + 12x + 13x = 300 =&gt; x = 10   a = 50, b = 120, c = 130   S = (50 + 120 + 130)/2= 
<gadget id="calculator">(50 + 120 + 130)/2</gadget>
<output>150</output>
150   3000 sq m   3000 sq mnswer: 3000 sq m
<result>A</result>
The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 300 m, its area is?