Two pair.
4
4
All rhombuses have two pairs of congruent angles (opposite angles are congruent to one another - a square is a special case type of rhombus in which all four angles are congruent).
A square based pyramid has 12 angles
4
There are 4 and they each measure 90 degrees
they have 4 congruent angles
none all it has is right angles
Equilateral triangles have three congruent sides and three congruent angles
A rectangle has four congruent angles. There's your answer and thanks for asking!
A square has 4 equal sides and 4 equal corner right angles.