I don't see any at all.
I count eleven.
6
12
There are 4 right angles of 90 degrees in a full turn of 360 degrees.
4 right angles, no other angles.
It has 6 angles, none of which are right angles.
0 right angles
A regular hexagon as no right angles. An irregular hexagon could have from none to as many as five right angles.
a tetrahedron has 3 Right angles
12 right angles.
A square has 4 right angles.
4 right angles