A square is a quadrilateral where all 4 sides are equal, opposite sides are parallel and every meeting point of 2 lines are 90 degrees.

A rhombus is a quadrilateral where all 4 sides are equal, opposite sides are parallel and meeting points of 2 lines can be of any degree.

So a square is a rhombus as all 4 sides are equal and opposite sides are parallel while a rhombus is not a square as a Rhombus might not have 90 degrees.

**Question 3:**

It would be a trapezium,

a trapezium would have a 1 pair of opposite line with different length and the other of the same length while diagonally opposite angles would add up to 180 degrees.

**Question 4:**

No, all squares have right angles while only some parallelogram have right angles.

Sorry, I didn't put my name . Tse Tzang

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