Question

Please help me, friends.
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Answer 1

Answer:

CPCT in picture refers to:-

CPCT means- Congruent Parts of Congruent Triangle.

Step-by-step explanation:

Refer to the attachment...

Answer 2

Answer:

heyy..!!

Step-by-step explanation:

Given: PQ = CR & QC = PR

To prove: angle PCQ = angle CPR

Proof: in triangle PQC and triangle PRC, we have,

PQ = CR. (given)

QC = PR (given)

PC = PC (common)

therefore, triangle PQC = triangle PRC (by SSS criteria)

angle PCQ = angle CPR (CPCT)

hope it helps..