∠APC cannot be labeled as ∠P because the vertex P has multiple angles meeting there. To avoid ambiguity, angles must include points on the arms, ensuring clarity about which angle is referred to.
Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles
class 6 Mathematics Textbook Chapter 2 question answer
In cases like ∠APC, where multiple angles share the same vertex P, labeling it as ∠P is unclear since it does not specify which angle is being referred to. Using points on the arms, such as A and C, alongside the vertex P, ensures accuracy. This method helps clearly identify the intended angle among all those meeting at the same vertex.
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