Sullivan, Christine [Gordon]. [from old catalog] · New York, Cincinnati [etc.] American book company · leaf 29
lar pentagon. Produce AB to C (Fig. 37), making BC equal to AB. From B as a center, with BA as a radius, describethe arc ADC, and divide the half cir-cumference into five equal parts. Fromthe point B draw through the point 2the line BD. Bisect BB and BA byperpendicular lines meeting in O. From(9 as… … Problem 2. — In a given squaj-e to inscribe aregular octagon. Let ABCD (Fig. ^S) be the given square.Draw the diagonals intersecting in the pointE. From the corners of the square ABCD ascenters, with a radius equal to AE^ describearcs cutting the sides of the square in thepoints MG, FI, HL, and KN.…
Mechanical drawing
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