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Class 9 Maths Practice Test: Triangles - Basics
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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 \triangle ABC.

In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane.

Class 9 Maths Practice Test: Triangles - Basics
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3 Questions

1. A triangle has __________ vertices.
2. From the diagram given below, which is true for two triangles?
3. Which one is true if triangle ABC is congruent to triangle PQR?