it has 5 sides and 5 angles
A pentagon has 5 sides.
5 sides
Assuming you mean a pentagon - not penagon, a 3-dimensional pentagon is a dodecahedron which has 12 faces.
A trapezium doES have 4 angles.
3 angles
I guess 16 angles.
6
A hexagon has 6 angles. Hex=6
Infinite angles. If you are referring to degrees then the answer is 360, but if the question is angles I can get as many angles as I want inside a circle.
4
4
4