A hand book of general instruction for mechanics, containing useful rules and memoranda for practical men (1907)
Smith, Franklin Elijah, 1872- · New York, D. Van Nostrand company · leaf 201
Fig. 6 Half height = 4 inches; then 4 X 12 = 48 square inches Example. Find the area of a triangle whose base is12 inches and whose height is 4 inches. (Fig. 7.) … Fig. 7 Half the height = 2 inches; then 2 X 12 = 24 squareinches. Example. Find the area of a triangle whose base is15 feet and whose height is 9 feet. (Fig. 8.) Half the height = 4.5; then 4.5 X 15 feet. MENSURATION 189 15^5756067.5 square feet.
Mechanics · Arithmetic · Measurement
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
