Lines and Angles
- Corresponding angles
When a transversal intersects two lines l and m, the corresponding angles so formed at the intersection points are named as follows:
∠1 and ∠5, ∠2 and ∠6
∠3 and ∠7, ∠4 and ∠8
- Corresponding angles axiom
If a transversal intersects two parallel lines, then each pair of corresponding angles is equal.
In the above figure, if lines l and m become parallel then we will have following pair of equal angles:
∠1 =∠5, ∠2 =∠6, ∠3 =∠7 and ∠4 = ∠8
- Converse of corresponding angles axiom
If a t…
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