Question

Find the cost of polishing cupboard with dimension 3 m
2 m and 1 m at the rate of Rs 500 per sq. m.​

Answer 1

length = 3m

breadth=2m

height =1m

Total surface area = 2[ lb+bh+lh ]

=2[3×2+2×1+3×1]

=2[6+2+3]

=2×11

=22m²

cost of the cupboard per sq. m

=22× 500

=11000 rs

hope it helps.