Hi there!
That statement is false.
A square is a special type of rhombus that has 4 right angles.
However, not all rhombuses have 4 right angles.
Thus, this statement is not always true.
However, the converse of this statement would be true.
The converse of this statement is "If a quadrilateral is a square, than it is a rhombus".
This is true because a square is a type of rhombus, but the original statement is not true because a rhombus is not a type of square.
I hope if this is what you needed.
Feel free to comment if you need anything more!
Have an awesome day! :)
~ collinjun0827, Junior Moderator