Can someone solve this and show step by step for me? This should be Grade 9 Mathematics

The anwser cause i do not understand just plez

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

How do i find the missing angle measure in a polygon