Any segment of a right-angled conoid (i.e., a paraboloid of revolution) cut off by a plane at right angles to the axis is 1½ times the cone which has the same base and the same axis as the segment. (Archimedes)

Any segment of a right-angled conoid (i.e., a paraboloid of revolution) cut off by a plane at right angles to the axis is 1½ times the cone which has the same base and the same axis as the segment.

Related topics

axis base cut off plane revolution right segment times

Related quotes

Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality.

Nikola Tesla

One of the characteristics of the dream is that nothing surprises us in it. With no regret, we agree to live in it with strangers, completely cut off from our habits and friends.

Jean Cocteau

I have lost my seven best friends, which is to say God has had mercy on me seven times without realizing it. He lent a friendship, took it from me, sent me another.

Jean Cocteau

Love is the crowning grace of humanity, the holiest right of the soul, the golden link which binds us to duty and truth, the redeeming principle that chiefly reconciles the heart to life, and is prophetic of eternal good.

Petrarch

I know you've heard it a thousand times before. But it's true - hard work pays off. If you want to be good, you have to practice, practice, practice. If you don't love something, then don't do it.

Ray Bradbury