Top diameter = 1200 mm, radius = 600 mm = 0.6 m
Bottom diameter = 125 mm, radius = 0.625 m
Hopper
Area of Top (A1)
= πr2
= 3.14 x 0.6 x 0.6
= 1.1304 m2
Area of Bottom (A2)
= πr2
= 3.14 x 0.625 x 0.625
= 0.0123 m2
Volume of Hopper =
= 0.2521 cubic meter
