Answer:
Look at explanation.
Step-by-step explanation:
A square will always have each corner be a 90° angle, or a right angle.
A rhombus will have two opposite internal angles of equal measure and 2 pairs of angles that are equivalent to each other, 2 being acute, and 2 being obtuse.
A diamond would be the same as a rhombus, but has all 4 sides equal to each other.