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.
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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
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