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An interior angle of a triangle is the angle between two edges, measured inside the triangle. An exterior angle is formed by extending one of the edges outside the triangle, and measuring between that extension and the adjacent original side of the triangle.
The sum of the interior angle and exterior angle at any given corner is always 1800 (which is Pi radians).
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What is the relationship between the shortest side of a triangle and the measure of the angle opposite it?
The shortest side of a triangle is opposite to the smallest interior angle.
Side-side-angle guarantees congruence between two triangles?
no sss and sas do
What is the linear relationship between number of sides and number of lines of symmetry?
If you're talking about convex polygons with equal sides (eg. equilateral triangles, squares, pentagons, hexagons, etc.), then the relationship is a very direct one. In those cases, there are as many lines of symmetry as there are points in the polygons. A triangle has three lines of symmetry, a square has four, a pentagon five, etc.
Angle-angle-angle guarantees congruence between two triangles?
No it doesn't. It guarantees similarity, but not congruence.
How can you tell the difference between the net for a triangular prism and the net fora triangular pyramid?
A net for a triangular pyramid is made out of 4 triangles. A net for a triangular prism is made out of 3 rectangles and 2 triangles.
