Question

if each angle of triangle is less than the sum of other two show that the triangle is acute angle​

Answer 1

Answer:

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted. In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane. Wikipedia

Area: ½ × base × height

Answer 2

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