C O N S E C T A I^T II. If two perpendiculars fubtend equal angles. The fines of the perpendiculars are proportional to the/ines of the Hypoteuufaes, and the contrary, Let the angles C A E, B A D, be equal, becaufe ver-tical, which let be fubtended by the perpendicularsC E, B D drawn from their…
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