Question

Will mark brainlest pls solve this question step by step

The length of room is 4m more than its breadth . If the breadth is 8 m ,find the number of bricks each 0.02 m sq to pave its floor
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Answer 1

Given:

L=5 m, B=4 m, H=3m

⇒Area to be white-washed = Area of cuboid − Area of base.

=2lh+2bh+2lb−lb

=2lh+2bh+lb

=[2×5×3+2×4×3+5×4]m

2

=74m

2

Cost of white washing per m

2

area = Rs.7.50

Cost of white washing 74m

2

area=74×7.50

= Rs.555