Question

A ROOM HAS Dimensions 8M×6M×4M×FIND THE COST OF PAINTING THE WALLS OF THE ROOM IF THE PRICE OF PAINT IS ruppes 80 PER SQ. M.

Answer 1

area of four walls=2(l+b) h
= 2(8+6)4
= 84 sq m
cost of painting = 84×80 = ₹6720

Answer 2

Hi here is your answer my friend
2×l+b×h
2×8+6×4
8×14=112m2
cost of painting 112×80=8960 Rs