Question

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 1

Answer:

Area=110m²

Area=110m²Cost=Rs.22,000

Step-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