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References to 'corresponding angles in transversal cutting'
1. $n$-section of line segment with compass and straightedge by pahio
2. base and height of triangle by pahio
3. Euclidean axiom by Hilbert by pahio
4. Euclidean geometry of plane by matte
5. Heron's principle by pahio
6. hyperbola by pahio
7. parallelogram theorems by pahio
8. proof of parallelogram theorems by rm50