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 210
hus 2)4 2 X 12 =24 sq. ft., area of triangle C2)3 1.5 X 12 = 18.0 sq. ft., area of triangle B42.0 sq. ft. Ans.Here we first of all divide the figure in two by thedotted line (A); we then have two triangles, B and C,and this line (A) proves the base for both. We thenfind the area of each triangle… … To Find the Surface of a Cylinder Rule. Multiply the diameter by 3.1416 and multiplythe product by the height. 198 A HAND BOOK FOR MECHANICS Example. Find the number of square inches in sur-face of a cylinder of the following dimensions. (Fig. 23.)
Mechanics · Arithmetic · Measurement
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