CBSE NCERT Solutions Chapter 6 Triangles Exercise 6.3 Question 11
11. In fig 6.40, E is a point on side CB produced of an isosceles triangle ABC with AB = AC. If, AD
BC and EF
AC, prove that
~
.
In
and
{Triangle ABC is an isosceles triangles with AB = AC }
{Each 90 degrees}
Therefore, by AA similarity criterion,
~
.
Hence Proved
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