Want this question answered?
Yes.
1.) side lengths are equal 2.) two sets of parallel sides 3.) two sets of equal angles (opposite angles are equal)
true
true
No, it's not
True
this is true
It can be but it is not always true.
When two triangles are congruent, there are 6 facts that are true about the triangles. The triangles have 3 sets of congruent (of equal length) sides and the triangles have 3 sets of congruent (of equal measure) angles.
If by "equal" you mean "equal in length", yes, that is the same as "congruent".
yes, it can be smaller, equal or larger to the true value of the population varience.
This is not always true.