Date: Sun, 11 Apr 1999 15:40:54 -0600 (CST)
Sender: Rebecca
Subject: cylinders

What is the formula to find the cross-sectional area of a cylinder?

  Hi Rebecca

The parameters are needed before an answer is possible. For example, if the cylinder has a circular base of radius r and the plane section makes an angle theta with the cylinder's axis, then the semi-axes of the resulting ellipse are r and r csc , so that the area is


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