And hence all the internal angles are also different. Scalene triangle is the triangle which is having all the sides different in length i.e. If the isosceles triangle is right angled triangle then one of the internal angle is 90 0, and remaining each angle measures 45 0, so that the sum of internal angles must be 180 0.Here, sides AB and AC are equal in length and hence the angles opposite to them i.e.The internal angles opposite to the sides which are equal in length are congruent.It has two sides equal in length and third is different in length than these two equal sides.The following figure shows the isosceles triangle whose two sides AB and AC are equal in length let us suppose “a”, and third side BC measures different length as “b”. Isosceles triangle is the triangle having two sides equal in length and the third side measures different length than these two sides. The perpendiculars which are drawn from each of the vertex of the equilateral triangle bisect the side in front of it.As it measure all sides equal in length and all angles are congruent, it is also called as regular polygon.And hence, in equilateral triangle each internal angle measures as 60 0.It has the three internal angles which are congruent to each other.The equilateral triangle has three sides having equal length.The following figure shows the equilateral triangle with three sides AB=BC=CD= a. If the one side measure the length as “a” then other two sides of equilateral triangle measure the same side length as “a”. The equilateral triangle is the triangle which is having all the three sides in equal length. On the basis of sides of triangles they are classified as follows:
Triangle has three sides and three angles.
We not have seen the geometrical shapes in geometry but in our nature also there different geometrical shaped living organisms are also present only we have to see them through the vision of curiosity of learning. The detailed classification of triangles with their properties is explained as follows. The triangle is the basic shape which is classified on the basis of sides of triangles and also on the basis of angles of triangles. These shapes are having different properties with physical meaning also, and they are classified in different ways. the shapes of geometrical figure like circle, triangle, square and many. The above figure shows the triangle ABC with three sides as AB, BC, CD and three angles as
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