Elements of geometry : containing books I to III (1886)
Smith, J. Hamblin · Toronto : W.J. Gage · leaf 105
B J) 0 -B and if, in both cases, a parallelogram ABCE be completedof which AB, BC are adjacent Bides, area of a .l/>V=half of aiea of CJ ABCE.Now if the measure of BO lie b, and 4D... /?-, measure of area ofO .! /.(E is A// ; measure of area of a ABC is 2 .4?m o/fl Rhombus. Lei ABCD be tlie… … It 18 easy to prove that .I and Bl> bisbct each other atright angles. Tlieii if the measure of AC be 35,and ..., /./ ... /. measure of ar a of rhombus=tw ice measure of &ACD. ■» twice I- •■./ Books I. & II] A ALA Ul- A TRAPEZIUM. 99 Area oj a Trap :;um. Let ABCD be the given trapezium,…
Geometry
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
