Axiom of parallel lines. Theorems about the angles formed by two parallel lines and a secant.
August 2, 2021 | education
| Theorem 1 reads as follows:
If the secant line crossed 2 parallel straight lines, then the intersecting angles formed at such an intersection will be equal to each other.
Theorem 2 for such a rule reads as follows:
If the secant line crossed 2 parallel straight lines, then the corresponding angles formed in this case will also be equal to each other.
Theorem 3 reads as follows:
If the secant line crossed 2 parallel straight lines, then the sum of the one-sided angles formed in this case will be equal to 180 °.
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