Are the angles of a rhombus all equal?

A rhombus looks like a lopsided square, or a diamond shape.

It is a parallelogram with four equal sides.

The angles of a rhombus do not all need to be equal BUT opposite angles of a rhombus ARE equal.

If you were to "straighten it up" and make all the angles equal at right angles, it would be a square.

A rhombus with four right angles is a square.