find the surface are of a room of length 16m and height 10m. Also, find of wile washing the four walls from inside at the rate of Rs 15 per m^2
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Answer:
=10m,b=4m,h=4m
Area of wall =2(lh+bh)
=2(10×4+4×4)
=112
cost of whitewashing is=15×112=1680
Cost ⇒Rs.1680
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