| Venterus Mandey - Geometry - 1727 - 542 pages
...right Angle BAG, is equal to both the Squares BG and CH, which are made of the Sides AB, AC, containing the right Angle. JOin AE and' AD, and draw AM parallel to CE, becaufe the Angle DBC is equal to FBA, add the Angle ABC. common to them both, then is the Angle ABD... | |
| Euclid, Isaac Barrow - Euclid's Elements - 1732 - 436 pages
...right angle BAG, is equal to both the ftuares EG, CH, ivhich are made on the fides AB, AC, containing the right angle. "join AE, and AD ; and draw AM parallel to CE, the angle DRC <i=:FBA, add the angle E Becaufe ABC common to them both ; then is the angle ABD— FBC.... | |
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