Diagonals of a Rhombus: Ascertaining whether or not the triangles are congruent

Given the rhombus:

Are the triangles formed by the diagonal congruent?

True

Given the rhombus:

Are there six

congruent triangles?

Not true

Given the rhombus:

Are the triangles formed by the diagonal congruent?

True

Look at the rhombus below.

Are the four triangles overlapping?

Yes