The alongside figure shows the dimensions of a wall having a window and a door of a room.
Write an algebraic expression for the area of the wall to be painted.
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Answer:
3m area wich is painted xhj
shradhanjali00:
explanation??
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Step-by-step explanation:
Area to be painted = ( Area of door + Area of window )
L × B ( l × b + l × b )
= (5x+2)5x - ((3x×x)(2x×x))
=25x^2 + 10x -(3x^2+2x^2)
=25x^2+10x-5x^2
=20x^2+10 sq units
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