Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 156
ES 139 draw ep perpendicular to ac. Lay off or = oc, and on ar as adiameter, construct the semicircle ajlr. Draw the radius jg,perpendicular to ab.Lay off ok = h j, andwith pfc as a radius,and with p as a center,swing the arc mkm.Extend oc to I. Usinga and 6 as centers,and a radius equal tool,…
Geometry, Descriptive
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