Question

A cupboard has 8 cubical compartments. Edge of each compartment is 50cm. Find their interior surface area and cost of painting the interior at the rate of rupees 20 per square m.

Answer 1

Answer:

1. 12 m²

2. 240 rupees

Step-by-step explanation:

Edge of each compartment = 50cm

Area of each compartment =6. 50*50 = 2500.6 cm² = 15000cm² = 1.5m²

total interior surface area = 8*1.5 = 12 m²

total cost of painting = 12*20 = 240 rupees