Question

Abc is a triangle and d is the mid point of bc. the perpendicular from d to ab and ac are equal. prove that triangle is isosceles

Answer 1

Answer:

see at the pic

Step-by-step explanation:

the two triangles are congruent so Angle b equal to angle c so AB equal to AC

hence prove the triangle is isosceles

Answer 2

Step-by-step explanation:

In triangle FBD and triangle EDC

BD=CD( Mid point)

FD=ED(Given)

angle BED=angle CED(each 90)

therefore triangle FBD confident tried EFD

therefore BF=CE