Question

A wooden cube shaped box has a total surface area of 486 cm what is it side what will it cost to laminate the outer surface of this box at the rate of ₹ 1.50 per sq cm​

Answer 1

Answer:

Step-by-step explanation:

TSA of cube=486cm²

6(a)²=486

a²=486/6=81

a²=81

a=9 cm

Cost of laminating 1 cm²= 1.50 rupees

Cost of laminating 486 cm² = 1.50×486

=729 rupees