Question

Properties of triangles

Answer 1

every triangle has three vertices

The altitude of a triangle is the perpendicular from the base to the opposite vertex.

The three angles on the inside of the triangle at each vertex

sum of angles = 180 degree

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Answer 2

Properties 0f Triangle.

1. The sum of the angles in a triangle is 180°.
2. The measure of the interior angle of an equilateral triangle is 60°.
3. All sides are the same length & all interior angles are the same size.