Question

Here is my question

Which statement can be used to classify this triangle as an isosceles triangle?
Angle F is a right angle.


Sides DE and EF are congruent.


Sides FD and DE are congruent.


Sides EF and FD are congruent.

Answer 1

Sides EF and FD are congruent

Answer 2

Sides EF and FD are congruent

Explanation:

an isosceles triangle has two sides that are congruent and the two sides need to meet at then angle that is different from the other two base angles