A paper cutting is placedon a graph as shownin the figure, each on he X and Y axes represens a distance of2 cm. The area of the paper cutting is `"_________"` ` Cm^(2)`.

Options

A. (a) 378
B. (b)186
C. (c ) 312
D. (d) 156

Answer

C

Explanation

We can divide the paper cutting into 3 rectangles of dimension `(9xx3), (11xx3), (9xx2)`.
Area = `(9xx3) + (11xx3) + (9xx2)` = 78 ,
but 1 div= 2 cm
Area = 78 xx 4 = 312 " " `cm^(2)`