Hicks' builders' guide : comprising an easy, practical system of estimating material and labor for carpenters, contractors and builders .. (1910)
Hicks, Isaac Perry, 1856- · New York : David Williams Company · leaf 41
Fig. 40.—A Hexagon. Fig. 41.—Finding the Areaof a Hexagon, draw the diagonals as shown in Fig. 41, which dividethe hexagon into equal triangles, the size of which isrepresented by A B C. Next draw the altitude of thistriangle, as shown by the dotted line B D. Now, A C … Fig. 42.—Describing any Reg-ular Poljgon. 43.—An Octagon. multiplied by half the altitude B D will give the area ofthe triangle ABC, and this multiplied by six will give 40 THE BUILDERS GUIDE. the total area. The area of any regular polygon maybe found by drawing lines from all of its angles tothe…
Carpentry · Building
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