In this video we will discuss the type of triangle and its properties.
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
Triangles can be classified according to the lengths of their sides:
• An equilateral triangle has all sides the same length. An equilateral triangle is also a regular polygon with all angles measuring 60°
• An isosceles triangle has two sides of equal length.
• A scalene triangle has all its sides of different lengths.
Triangles can be classified according to the angles measured in degrees.
• A right-angled triangle, has one of its interior angles is 90° (a right angle).The side opposite to the right angle is called hypotenuse.
• A triangle with all interior angles measuring less than 90° is an acute-angled triangle.
• A triangle with one interior angle measuring more than 90° is an obtuse-angled triangle.
Following are some properties of a triangle:-
Sum of any two sides of a triangle is always greater than third side
Difference of any two sides of a triangle is always less than third side.
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