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Question: In what type of triangle at least one median coincides with an altitude?


A ) either isosceles or equilateral
B ) isosceles
C ) equilateral
D ) right angled

Steps to derive



2 In an isosceles triangle, the median from the vertex containing the congruent sides is perpendicular to the base.

3 In an equilateral triangle, the median from any vertex to the opposite side will be perpendicular to that side.

4 So, in isosceles triangle and equilateral triangle, at least one median coincides with an altitude.



Hence the right answer is Option A

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