Properties of Triangles:
From the shapes of triangle their properties are learning as follows,
Triangle: It is circumscribed with three straight lines.
Equilateral triangle: A triangle, which has three equal sides and interior angles, is called as an equilateral triangle or regular triangle.
Isosceles triangle: A triangle, which has two equal sides and interior angles, is called as an isosceles triangle.
Scalene triangle: A triangle, which has unequal sides and different interior angles, is called as scalene triangle or irregular triangle.
Right triangle: It is a triangle, which has single right angle.
more about----- Angles of a triangle
