Question

a closed metallic cylindrical box is 1.5 metre high and it has a base whose diameter is 70 centimetre if the seat of metal cost Rs 70 per square metre. find the cost of material used in the box.​

Answer 1

Step-by-step explanation:

2πrh

35 cm = 0.35m

2×22/7×0.35×1.5 square m

3.30 sq m

1 sq m cost=₹70

3.30 sq m = ₹ 3.30×70

= ₹ 231.00