Question

 : A hemispherical bowl made of brass has inner radius 5.25 cm. What is the total cost of tin-plating it on the inside at the rate of ₹4 per cm2? *​

Answer 1

Answer:

Step-by-step explanation:

A hemispherical bowl made of brass has inner diameter 10.5 cm. Find the cost of tin-plating it on the inside at the rate of Rs 16 per 100 cm2. ... We need to find the curved surface area of hemisphere Radius of hemisphere. ... hemisphere = 2 2 = (2 22/7 5.25 5.25) cm2 = 173.25 cm2 Cost of tin-plating 100 cm2 = Rs .