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Math Definitions-Altitude of a Triangle

An altitude of a triangle is a perpendicular segment that joins the vertex of a triangle to the opposite side.

  • In a right triangle two of the legs are altitudes. 
  • An obtuse triangle, which has one angle greater than 90 degrees, you need to extend the side to draw on of the altitudes.
  • You need to extend one side of an obtuse triangle for one altitude