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Altitude - Triangle
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Concept

Altitude of a Triangle

An altitude or height of a triangle is a line segment between one of the vertices of the triangle and its opposite side, forming a right angle with the opposite side.

An altitude can be created using any of the vertices of a triangle and its opposite side.

For an obtuse triangle it is possible to create an altitude using a segment that contains the opposite side rather than using the opposite side itself.

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