Question

a wall 78/11m has been billed who won the first day the Mason built 2/13 off the wall what height on the wall is to be build​

Answer 1

Answer:

Area to be painted = area of the walls + area of ceiling

=2(hl+hb)+lb

=[2×(7×15+7×10)+(15×10)]=500 sq m

No. of cans required =

100

500

=5

Hence, 5 cans are required to paint the walls and the ceiling of the cuboidal hall.