no,all quadrilaterals have 4 right angles
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yes
False. Not that it's never true - squares like to satisfy the conditions of all quadrilaterals at once, so you'll always find an overlap there - but a rhombus does not need to have a right angle.
False because it depends on what type of a 4 sided quadrilateral it as for example a square has 4 right angles whereas rhombus has no corner right angles.
No
No.