The four walls and ceiling of a room are to be
repaired. The length and breadth of the room
the patch?
are 8 m and 4 m and its height is 3 m. Find
the cost of repair at 30 per m2.
Answers
Answered by
3
Answer:
3120 Rs.
Step-by-step explanation:
Total surface area of the cubiodal room=2[(8×4)+(8×3)+(4×3)]=2[32+24+12]=136
Area of the of rectangular floor(to be excluded)=8×4=32m.sq.
Area of 4 walls and the ceiling, =136−32=104m.sq.
Cost of repair Rs.30 per m. sq. =Rs.3120
Similar questions