The complete measurer; or, The whole art of measuring .. (1789)
Hawney, William · London : Rivington · leaf 281
62.352 Area of the Triangle. 20.784 one-third Part.9.798 the perpendicular Height. 166272187056145488 187056 203.641632 The … 2^4 ^-^^ Menjiiration of Part 17. The fuperficial Content is four times the Area ofthe Triangle, i;/s:. 249.408 laches, bcciufe there arefour Triangles. 2. 0/ //?<? O C T A E D R O N. The Oclaedron is a Bodycontained under eight equaland equilateral Triangles. Let ABCDE be an Oc-taedron, whole…
Measurement · Geometry
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