the length .breadth. and height. of room are 5 CM 4 m and 3 m find cost of white washing the wall of room and ceiling @ 7.50 mt2
Answers
Answered by
3
hey ..
here is the answer...
l = 5 cm
b = 400 cm
h=300 cm
area of four walls = 2 h ( l + b)
2× 300 ( 5 + 400)
600 (405)
= 243000 cm ^
area of celing = l x b
5 × 400
2000 cm ^
total area = 243000 + 2000
245000 cm^ = 2450 m ^
cost of white washing = 2450 × 7.50
= 18375 rs.
hope it helps uu dear. ...
here is the answer...
l = 5 cm
b = 400 cm
h=300 cm
area of four walls = 2 h ( l + b)
2× 300 ( 5 + 400)
600 (405)
= 243000 cm ^
area of celing = l x b
5 × 400
2000 cm ^
total area = 243000 + 2000
245000 cm^ = 2450 m ^
cost of white washing = 2450 × 7.50
= 18375 rs.
hope it helps uu dear. ...
Similar questions