square
Its sides are congruent but not its angles because it has 2 equal opposite acute angles and 2 equal opposite obtuse angles.
Any regular polygon with an even number of sides will have opposite angles of equal measure.
A square and a rectangle both fit these requirements
A rhombus
square
I think it is a yes
A rhombus
Its sides are congruent but not its angles because it has 2 equal opposite acute angles and 2 equal opposite obtuse angles.
congruent?
Square
A rhombus.
Any regular polygon with an even number of sides will have opposite angles of equal measure.
A square and a rectangle both fit these requirements
Vertical angels
There is no specific name for them.
They are the exact opposite of each other, exactly like Yin and Yang.