A complete and practical solution book for the common school teacher (1899)
Fairchild, J[ohn] T[heodore] [from old catalog] · Crawfis College, Ohio, The author · leaf 245
le? Solution. (1) Similar solids are to each other as the cubes, and the sur- faces as the squares of their like dimensions, or theirhomologous lines. (2) Therefore, we have (^I^T2 : (^ISlS)* :: $10 : $14.40, cost of the second mans suit. PROBLEM 457. The surface of a pyramid is 560 sq. in: what is… … PROBLEM 458. The whole surface of a cylinder is 10 sq. yd.; the diameter equalsthe height: find the solidity. Solution. (1) Let AC be the cylinder, AB=^, and OE = CB=r.*. (2) Area of the circle or base AOB —\x2tt, and the area of bothbases—\2x2tt. (3) ^7r=circumference of the base. (4) ^27r=convex…
Arithmetic · Geometry
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