The area of ΔAOB having vertices A( 0,6) , O( 0,0) and B( 6,0) is
When we plot the given points in the graph paper then,
is the right angle triangle, where
OB = Base = 6 units
Height of triangle = OA = 6 units
∴ Area of 
= 
= 
= 
= 18 square units
∴ Option C is correct
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