Triangle Properties||Isosceles triangle||Equilateral Triangle||ProOF OF Theorem 7.2 and 7.3||ProOF OF isosceles Triangle have Median,Angle bisector and altitude are same||Discussion OF Exercise 7.2 (Q.1 to Q.8)

Discussion OF work sheet -1 || Triangle definition || Type OF Triangle|| Scalene Triangle Isosceles triangle || Equilateral triangle|| Acute angle triangle|| Right angle traingle Obtuse triangle || Some important theorem and their proOF example|| Exterior angle Theorem proOF

Prove that median from the vertex of an isosceles Triangle is the bisector of the vertical angle

Theorem 7.2 : Angles opposite to equal sides of an isosceles triangle are equal.

Triangles - Isosceles Triangle|Theorem|NCERT Examples|NCERT Exercise

A non right angle bisector of a right angled isosceles triangle divide the triangle in those two parts, whose area are in the ratio.

Prove that of all the triangles with a given base and a given vertex angle, an isosceles triangle has the greatest bisector of the vertex angle.

Find the area of isosceles triangle whose non equal side are of 12cm having the corresponding altitude 7.5 cm.

The base of vertices of an isosceles triangle PQR are Q 1,3 and R -2,7.The vertex p can be :