Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 142
. (Iron weighs.26 lb. per cu. ia.) CHAPTER XVIITHE MEASUREMENT OF RIGHT TRIANGLES 55. Definition.—In the work which follows are rulesfor finding the sides and angles of right triangles, that is,those having a 90 degree (90°) or right angle. Theserules are used to work out problems in the shop work… … 3 = y/c^^^Fig. 104. three, ^^gono meaning side and metry^ measurement,or the measurement of three-sided figures. We need notthink of the work necessarily as ^trigonometry,^ butprincipally how it apphes in working out problems thatcannot be done by rules we have had before. We canuse these rules…
Mechanics, Applied
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