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