Triangles have line segment {altitude}| from vertex perpendicular to opposite side.
Right triangles have two shorter sides {arm, triangle} {leg, triangle}.
Triangles have a side {base, triangle} intersected by the altitude.
Right triangles have a longest side {hypotenuse, triangle}|.
Triangles have line segments {median, triangle} from vertices to opposite-side midpoints.
3-Geometry-Plane-Polygon-Kinds-Triangle
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Date Modified: 2022.0225