English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories
1 ⤊

The base S is a circular disk with radius r. Parallel cross sections perpendicular to the base are squares.V=?

2007-09-22 10:31:56 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

1 answers

If the section is at distance "x" from the center the side of the square is 2sqrt(r^2-x^2) and the volume is
V= 2Int (0.r) 4(r^2-x^2)dx=8 (r^2*x-x^3/3) between 0 an r
=(16r^3)/3

2007-09-22 11:20:35 · answer #1 · answered by santmann2002 7 · 1⤊ 0⤋

fedest.com, questions and answers