Question

An open container made up of metallic sheet in the form of frustumn of a cone of height 8 cm with radii of its lower and upper ends as 4cm and 10cm
respectively. Find the quantity of oil which can completely fill the container. Also find the area of the metallic sheet used.​

Answer 1

Step-by-step explanation:

Answer volume=1306.24 cm3

and area of metallic sheet used =489.84 cm2

for explanation refer the attachment