**I cant use the property of alternate angles right?**

**Cud someone explain the difference between similarity and congruency?**

**In this type Greg spoke abt ASA SSS and all and told that there are cases when the ans is C or D. Could someone illustrate that**

Similarity implies that these two triangles are *proportional* in side and area. The angles are the same. It’s like scaling.

Congruency implies that these two triangles are exactly the same (in angles and side length).

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Thanks

@Leaderboard

Is my logic for the 1st problem correct?

Yes; no evidence showing that the lines are parallel.

so then I use that property of sharing the same arc?

Cud u elaborate that concept?

See the below image:

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