A DESIGN FOR A GAS BRACKET. Mtmuxatm of Sujierfices. (Continued from page 150.) PROBLEM V. To find the area of a trapezium.D … Draw the diagonal a c, upon which let fallfrom its opposite angles b and d, the perpen-diculars B F and D E. Find by measurementthe diagonal a c, and the perpendiculars b fand D E; then, 1. Multiply the diagonal by the sum of thetwo perpendiculars, and half the product willbe the answer. Or, 2.…
Design · Decoration and ornament · Art
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