called a “rectangle.” A rectangle whose sides are all equal is called a “square.” A “pentagon” has five sides. A “hexagon” has six sides. A “heptagon” has seven sides. An “octagon” has eight sides. Fig. 22 — Trapezoid. Fig. 23— Trapezium. Fig. 24 — Rectangle. The “perimeter” is the boundary line or… … Fig. 25 Square. Fig. 26 — Pentagon. Fig. 27 — Hexagon. Fig. 28 — Heptagon. In a rectangle, the height is equal to the side which is per- pendicular to the base. Hence, to find the area of a rectangle, multiply the length by the breadth or height. Area = ad X ab ^ ab X be. Fig. 29 — Octagon. of a…
Brewing · Malt
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