4
2 pairs
2 pairs
Two pairs.
There are 56 pairs of congruent angles.
2 pairs
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).
It has one pair.
8 congruent sides and angles (or lines ) ....'octo' means 8
It can have 2 right angles but normally none unless it is an isosceles trapezoid in which case it will have 2 pairs of congruent base angles
By definition, all trapezoids must have one pair of parallel sides. Therefore, an isosceles has one pair of congruent angles.
A pentagon has five angles and an octagon has eight angles.
An octagon has 8 angles. A rhombus has 4 angles.