[" 13."ABC" is an isosceles triangle in which "AB=AC" .If "D" and "E" are the mid points of "AB" ant "],[" respectively,prove that "B,C,D" and "E" are concyclic."]

ABC is an isosceles triangle in which AB=AC. If D and E are the mid-points of AB and AC respectively,prove that the points B,C,D and E are concyclic.

ABC is an isosceles triangle in which AB=AC. If D and E are the mid-points of AB and AC respectively,prove that the points B,C,D and E are concylic.

ABC is an isosceles triangle in which AB = AC. If D and E are the mid-points of AB and respectively, prove that B,C,D and E are concyclic.

A B C is an isosceles triangle in which A B=A C . If D\ a n d\ E are the mid-points of A B\ a n d\ A C respectively, Prove that the points B ,\ C ,\ D\ a n d\ E are concyclic.

In the adjoining figure, ABC is an isosceles triangle in which AB = AC. If E and F be the midpoints of AC and AB respectively, then

In the adjoining figure, ABC is a triangle in whcich AB=AC. If D and E are poitns on AB and AC respecrtively such that AD=AE, show that the points B,C,E and D are concyclic.

In the fig. ABC, is an isosceles triangle in which AB=AC. Also D,E and F are mid point of BC, CB and AB respectively. Show that ADbotEF and AD is determined by EF

In Figure,ABC is a triangle in which AB=AC. Point D and E are points onthe sides AB and AC respectively such that AD=AE .Show that the points B,C,E and D are concyclic.

If in a triangle AB=a,AC=b and D,E are the mid-points of AB and AC respectively, then DE is equal to