Elements of geometry for the use of schools (1854)
Ireland. Board of National Education · Dublin : A. Thom · leaf 42
esented by a smaller figure abcde,similar to the former, in which the side a b,for instance, maybe 100 inches long, whenthe side A B is 100 yards; the side b c 45inches, if B C is 45 yards; and hence to con-clude, that as the area of the reduced figureabcde is 60,000 square inches, that of… … XXXIV. Little reflection is needed to perceive thattwo figures, ABCDE, abcde, will bo simi-lar, if the angles A, B, C, D, E, of the greaterare equal to the angles a, b, c, d, e, of the less;and the sides ab, be, c d, &c. of the less con-tain the part or measure p, as often as thesides A B, B C,…
Geometry
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