hi i really need help on this question

Question

Triangles ABC and DEF are isosceles triangles. Answer “true” or “false” next to each statement.

1.) The base angles of △ABC are congruent to the base angles of △EDF. (i put true)

2.) Two sides of △ABC are congruent. (false)

3.) Two angles of △DEF are congruent. (false)

4.) Two sides of △ABC are congruent to two sides of △EDF. (true)

i don't know which ones i got wrong and right

Answer 1

Hi. For question number 1, the base angles have to be opposite the equal sides. If they are, then the answer is true. If not, then false.

Isosceles triangles have two congruent sides. So the answer for question 2 is true.

Two angles of isosceles triangles must be congruent. So the answer to question 3 is true.

We don’t know the sizes of the two triangles. So we don’t know if two sides of one triangle is congruent to two sides of the other triangle, for question 4.