Ram is painting the wall and ceiling of a cuboidal hall with length,
breadth and height of 15 m, 10 m and 7 m respectively. From each
cane of paint 100 m2 of area is painted. How many canes of paints
will he need to paint the room ?
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Step-by-step explanation:
You have to use the open cuboid formula
=2h(l+b) +lb
=2*7(15+10)+ (15)(10)
=14*25+150
=490
No. of cans required = 490/100
4.90 cans
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