For the part circled in red, I don't understand how we knew to set these up . Where did s/2/a/2 come from? Which equation are we using to find this.? Is it something for area? Same for h-y/h how did we know to set it up like this
For the part circled in red, I don't understand how we knew to set these up . Where did s/2/a/2 come from? Which equation are we using to find this.? Is it something for area? Same for h-y/h how did we know to set it up like this
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 38E: Find the exact volume of the solid that results when the triangular region with vertices at 0, 0, 6,...
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For the part circled in red, I don't understand how we knew to set these up . Where did s/2/a/2 come from? Which equation are we using to find this.? Is it something for area? Same for h-y/h how did we know to set it up like this.
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