Draw A b equal to l, and make b c perpen-dicular thereto and equal to m. From thepoints c and a, with the radii _l and m,describe arcs intersecting in d. Join a b, d c,and A B c D -will be the rectangle required. PROBLEM xxm. To describe a regular pentagon on a givenline. •JS,,— … Make b c perpendicular to a b. Bisect a bin d, and from d as a centre, and with d c as aradius, describe an arc c e, cutting a b produced in e. With the centres a and b, andradius a e, describe arcs crossing in f ; thenfrom f as a centre, and with a b as radius,cross those arcs in g and h. Join a…
Design · Decoration and ornament · Art
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