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प्रश्न
In the given figure, l // m // n and D is mid-point of CE. If AE = 12.6 cm, then BD is ______.
पर्याय
12.6 cm
25.2 cm
6.3 cm
18.9 cm
MCQ
रिकाम्या जागा भरा
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उत्तर
In the given figure, l // m // n and D is mid-point of CE. If AE = 12.6 cm, then BD is 6.3 cm.
Explanation:
By the Midpoint Theorem, the line segment joining the midpoints of two sides of a triangle is parallel to and half the length of the third side. Since D is the midpoint of CE and l // m // n, B is the midpoint of CA, making `BD = \frac{1}{2} AE = \frac{12.6\text{ cm}}{2} = 6.3\text{ cm}`.
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