Introduction to Triangles
You have studied about triangles and their various properties in your earlier classes.
You know that a closed figure formed by three intersecting lines is called a triangle.
(‘Tri’ means ‘three’). Need geometry help online.A triangle has three sides, three angles and three vertices. For
example, in triangle ABC, denoted as Δ ABC (see Fig. 7.1); AB, BC, CA are the three
sides, ∠ A, ∠ B, ∠ C are the three angles and A, B, C are three vertices.
In this chapter, you will study in details about the congruence of triangles, rules of congruence,
some more properties of triangles and inequalities in a triangle. You have already verified most of these online geometry problems properties in earlier classes. We will now prove some
of them.You may also find some geometry problems solved
You have studied about triangles and their various properties in your earlier classes.
You know that a closed figure formed by three intersecting lines is called a triangle.
(‘Tri’ means ‘three’). Need geometry help online.A triangle has three sides, three angles and three vertices. For
example, in triangle ABC, denoted as Δ ABC (see Fig. 7.1); AB, BC, CA are the three
sides, ∠ A, ∠ B, ∠ C are the three angles and A, B, C are three vertices.
In this chapter, you will study in details about the congruence of triangles, rules of congruence,
some more properties of triangles and inequalities in a triangle. You have already verified most of these online geometry problems properties in earlier classes. We will now prove some
of them.You may also find some geometry problems solved
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