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If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
The first six books of the Elements of Euclid, with numerous exercises - Σελίδα 124
των Euclides - 1853 - 147 σελίδες
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## Euclid's Elements [book 1-6] with corrections, by J.R. Young

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## The figures of Euclid with the enunciations, as printed in Euclid's Elements ...

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## Minutes of the Committee of Council on Education

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## The Elements of Euclid; viz. the first six books,together with the eleventh ...

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