The area of a triangle will be when a = 1m, b = 2m, c = 3m, a, b, c being lengths of respective sides?  Choose the correct choice from the following:
A) 3
B) 7
C) 5
D) 3
E) 4
S = (1 + 2 + 3)/2= 
<gadget id="calculator">(1 + 2 + 3)/2</gadget>
<output>3</output>
3   3nswer: 3
<result>A</result>
The area of a triangle will be when a = 1m, b = 2m, c = 3m, a, b, c being lengths of respective sides?