Question

9. ABC is a triangle. D, E and F are the midpoints of AB, AC and BC respectively. Prove that DE and
AF bisect each other.​

Answer 1

Answer:

Given : AB = AC and D, E and F are mid points in BC, AB and AC respectively. ...

Proof : Since EF are formed by joing mid points of triangle then EF || BC. And since parallel lines are at 90° angle hence AD is perpendicular to EF.

Answer 2

Answer:

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