Which figure would be rotated 360 degrees to create a cone with an altitude perpendicular to its base?

Question

asked May 10, 2017 171k views

1 Answer

Daniele Bertella · Answer 1 · 2017-05-16T06:53:43+0000

Just look at the perpendicular cross section, which would be an isosceles triangle. Split that in half vertically and you get a right triangle.