Altitude of a triangle formula

The Altitude of a triangle is the length of a straight line segment drawn from one of the triangle's vertices (corners) perpendicular to the opposite side.

It's like measuring the height of the triangle from a specific point to the base. The altitude is a fundamental concept in geometry and is often used to calculate the area of a triangle.

How to construct an altitude from a vertex

In this article, we have covered the Altitude of a Triangle, its Properties, the Altitude of each type of triangle, How to find Altitude, and many more in simple way.

Let's dive right in.

Altitude of a Triangle Definition

The altitude of a triangle is the perpendicular distance from a vertex (corner) of the triangle to the line containing the opposite side.

It represents the height of the triangle measured from a specific vertex to the base, forming a right angle with the base.

The altitude of the triangle is mainly located inside it, but in certain cases, it is also found outside of the triangle.

In simple words, Altitude of a Triangle is defined as the following.

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