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| 1. |
a room has its length=5m,breadth=4m and height=5m.Calculate the area of its four walls.Calculate the cost of white washing the four walls at Rs.200 per sq metre |
| Answer» AREA=110m²Area=110m²Cost=Rs.22,000Step-by-step explanation:TOTALE 4 wall area equal to L*h+B*h+l*h+b*h.Another wall b*h.So,→{(5*5+4*5+5*5+4*5)+(4*5)}m²→(90+20)m²→110m²→Cost PER square metre=Rs.200→Total cost=Rs.(200*110)→Rs 22,000 | |