The elements of Euclid for the use of schools and colleges : comprising the first two books and portions of the eleventh and twelfth books; with notes and exercises (1880)
Todhunter, I. (Isaac), 1820-1884 · Toronto : Copp, Clark · leaf 48
bev.n the same base BC, and between the same parallelsliC. AE : the parallelogram ABCD shall be double of thetriangle EBC. Join AC. Tlicn - the triangle ABCis equal to the triangle EBC,because they are on the samebase BC, and between the sameparallels ^(7,^£. [1.37. Jjiit the parallelogram ABCD ,is… … 44 EUCLIDS ELEMENTS. PROPOSITION 42. PROBLEM, To describe a parallelogram that shall he equal to agiven triangle, and have one of its angles equal to a givenrectilineal angle. Let ABC be the given triangle, and D the given recti-lineal angle : it is required to describe a parallelogram thatshall be…
Geometry · Euclid's Elements · Mathematics, Greek
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