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In Δ ABC, AD is the median and DE is parallel to BA, where E is a point in AC. Prove that BE is also a median. - Mathematics

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Question

In Δ ABC, AD is the median and DE is parallel to BA, where E is a point in AC. Prove that BE is also a median.

Sum
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Solution

Since AD is the median of ΔABC, then BD = DC.

Given, DE || AB and DE are drawn from the midpoint of BC i.e. D, then

by the converse of mid-point theorem,

it bisects the third side which in this case is AC at E.

Therefore, E is the mid point of AC.

Hence, BE is the median of ΔABC.

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Chapter 12: Mid-point and Its Converse [ Including Intercept Theorem] - Exercise 12 (B) [Page 154]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 12 Mid-point and Its Converse [ Including Intercept Theorem]
Exercise 12 (B) | Q 14 | Page 154

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