Math, asked by yuvraj4170, 1 year ago

A room is 8m long and 6m broad and 5.5 meter high . It has one door of dimension 2.5 meter by 2m and two windows of each dimensions 1.5 meter by 1 meter. Find the cost of whitewashing the walls at rupees 3.20 per square. m.

Answers

Answered by Mamtaranwa777
38

Answer:

Step-by-step explanation:

Area of roof=2(l+b)×h=2(8+6)×5.5=154

Area of door= 2.5×2=5

Area of 2 Windows= 1.5+1.5=3

ACT

= area of door + area of 2 Windows

= 5+3=8

= area of roof subtract area of window and door

=154-8=146

=146×3.20=467.20

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