Question : The mid-points of AB and AC of the $\triangle$ABC are P and Q, respectively. If PQ = 6 cm, then the side BC is:
Option 1: 10 cm
Option 2: 12 cm
Option 3: 8 cm
Option 4: 14 cm
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Correct Answer: 12 cm
Solution :
The straight line joining the midpoints of the two sides of a triangle is parallel to the third side and half of it.
Here, PQ = 6 cm.
∴ BC = 2 × PQ = 2 × 6 = 12 cm.
Hence, the correct answer is 12 cm.
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