Not necessarily.
No!!
polygons that have corresponding angles congruent and corresponding sides proportional
Yes.
If the 3 sides are proportional by ratio and the angles remain the same then the two triangles are similar
similiar or proportional sides
Congruent means exactly the same. Proportional means that it's similar.
Yes.
erectile disfunction
Yes.Yes.Yes.Yes.
A square, or an equilateral triangle.
Similar.
The two sides are proportional.