1.

ZP = ZQ and Z1 = Z2. Prove thatRT || PQ.​

Answer»

ong>Answer:

ZP+ZQ=Z1+Z2. (EXTERIOR ANGLE THEORAM)

ZQ+ZQ=Z2+Z2(since ZQ andZP and Z1 angle Z2

are equal so replacing them)

2ZQ=2Z2

ZQ=Z2

since ALTERNATE ANGLES are equal

therefore line are parallel



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