Question

the dimension of a classroom are 12m 6m and 4m. find the cost of decorating the wall by a wallpaper of 50cm width,which costs Rs 30 per metre​

Answer 1

C.S.A of cuboid =2h(b+l)

=2*4(12+6)

=144m^2

Area of wallpaper=0.5m

=144/0.5 *30

Step-by-step explanation:

Answer 2

Answer:

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