Question

a celling 12 mby , 7.5 m is to be painted . one liter of paint cover 15 square meter . Find the area to be painted. what is the total amount of paint are required for the celling ?​

Answer 1

Answer:

Area of one wall =length×height=5×8=40 sq.m

Area of another adjacent wall =width×height=3×8=24 sq.m

Area of 4 walls =2×40+24×2−4.5−2.25=128−6.75=121.25

Cost of painting the four walls =121.25×25=3,031.25 Rs.