The area of a triangle will be when a = 5m, b = 7m, c = 8m, a, b, c being lengths of respective sides?  Choose the correct answer:
A) 3	B) 6	C) 4	D) 9	E) 10
S = (5 + 7 + 8)/2= 
<gadget id="calculator">(5 + 7 + 8)/2</gadget>
<output>10</output>
10 Answer:10
<result>E</result>
The area of a triangle will be when a = 5m, b = 7m, c = 8m, a, b, c being lengths of respective sides?