The area enclosed by the pair of lines xy=0,t | vedclass

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(A) The given pair of lines $xy=0$ represents the coordinate axes,i.e.,$x=0$ and $y=0$.The other lines are $x-4=0$ (which is $x=4$) and $y+5=0$ (which

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$20 	ext{ sq units}$

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(A) The given pair of lines $xy=0$ represents the coordinate axes,i.e.,$x=0$ and $y=0$.The other lines are $x-4=0$ (which is $x=4$) and $y+5=0$ (which is $y=-5$).These four lines $x=0, x=4, y=0$,and $y=-5$ enclose a rectangular region in the Cartesian plane.The vertices of this rectangle are $(0, 0), (4, 0), (4, -5)$,and $(0, -5)$.The length of the rectangle is the distance between $x=0$ and $x=4$,which is $|4-0| = 4 	ext{ units}$.The breadth of the rectangle is the distance between $y=0$ and $y=-5$,which is $|0-(-5)| = 5 	ext{ units}$.Therefore,the area of the rectangle is $	ext{length} 	imes 	ext{breadth} = 4 	imes 5 = 20 	ext{ sq units}$.

The area enclosed by the pair of lines $xy=0$,the line $x-4=0$ and $y+5=0$ is

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