The geometryin this a#39;guide for calculationa#39; is rough mensuration. The cases which concern us here are the following. (1) The area of a rectangle is of course given as the product of the sides. (2) The area of a triangle is given as half the tp-r, anbsp;...
|Title||:||A Manual of Greek Mathematics|
|Author||:||Sir Thomas Little Heath|
|Publisher||:||Courier Corporation - 1931|