ABC is a triangle in which altitudes BE and CF to sides AB and AC are equal.Show that

ABC is a triangle in which altitudes BE and CF to sides AB and AC are equal.Show that
i) ∆ ABE congruent ∆ ACE
ii) AB = AC i,e ABC is an isosceles triangle.
Class 9 Maths Ncert, Chapter name - Triangle , Chapter number - 7, Question number - 4, Exercise -7.2
Class 9 Maths , Ncert , Triangles.