D ; wherefore the remaining angle at C is equal to the remaining angle at F ; Therefore the triangle ABC is equiangular to the triangle DEF. Next, let each of the angles at C, F be not less than a right angle ; the triangle ABC is also, in this case,...
The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ... - Side 157
av Robert Simson - 1804
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