Maths-
General
Easy
Question
Walls of the room of dimension 12x10x10 feet is to be painted. Find the area to be painted.
- 800
- 490
- 680
- 360
The correct answer is: 680
Area to be painted = Lateral surface area of cuboid = 2( bh+hl)
L=12, b= 10, h = 10
=2(lb + bh + hl)
=2(12*10 + 10*10 +12*10)
=2(120 + 100 + 120)
=2(340)
=680
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