Question

Which triangles are similar by the angle-angle criterion for similarity of triangles?

Answer 1

Answer:

for first:

<D=<B(corresponding angle)

<E=<C(corresponding angle)

<A=<A(common angle)

so

∆AED~ ∆ACB by A.A.A. axiom

is your answer

other are CONGRUENT TRAINGLE.

Answer 2

Answer:

ΔABC ~ ΔADC by AA similarity.