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unit of measure: the base unit | the supplementary unit | the derived unit

*geometry: the area of a flat figure | the area of a solid | the volume of the solid*

A ** triangle** is a polygon formed by the union of three segments, where the points of intersection are non-collinear points. Points of intersection are called vertexes, and the segments are referred to as sides.

The ** scalene triangle** is the triangle which has all sides of different lengths.

The ** area of a triangle** is equal to one half of the sum of base and height.

where:

a — the base of triangle;

h — the height of triangle.

*For separation of number integers and decimals, use the symbol – point [.]*

context information: contemporary and archaic unit of measurement of area