38 GEOMETRICAL PROBLEMS. / … Prob. 78. On a chord AB to construct the supplementaryarc to ACB, tvithout using the centre, C being a point on the arc. Join AC, AB, and BC.Make BAD and ABF eachequal to ACB. With A andB as centres, and any radius,draw arcs HD and KF. Di-^ vide the arcs DH and IvF\ into the same number of…
Mechanical drawing
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