Question

The length,breadth and height of room are 10m,12m and 8m respectively . Find the length of the diagonal of the room and also .Find the cost of white washing the four walls at the rate ofRs0.50per meter square

Answer 1

Here is your answer.

Answer 2

Answer:

2 root 77

Rs.176

Step-by-step explanation:

L=10m

B=12m

H=8m

Length of diagonal^2= L^2+B^2+H^2

D^2=10^2+12^2+8^2

on solving it we get 2 root 77

now surface area of four walls of room=2(l+b)h

=2(10+12)8

=352m^2

cost og white washing=352*0.50=Rs.176