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Let $$\triangle PQR$$ be a triangle of area $$1 \text{ cm}^2$$. Extend QR to X such that $$QR = RX$$, RP to Y such that $$RP = PY$$ and PQ to Z such that $$PQ = QZ$$. Find the area of $$\triangle XYZ$$.
Correct Answer: 7
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