Math, asked by kshaquib0411, 8 months ago

A room of length 5m breath 4m and height 3m find the cost of white washing the rate of 17.50

Answers

Answered by nssgourav2007
2

Answer:

Step-by-step explanation

Area of 4 walls of room = 2h(l+b)

= 2×3(5+4)

= 54 sq. m

Area of ceiling = l×b

= 5×4 = 20 sq. m

Area of whitewashing = 54+20=74sq.m

Cost of whitewashing = 17.50×74 = Rs. 1295

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