21/35 = q/20 PLEASE TELL ME WHAT IT IS

Ineed if you could explain and give me the answer you! this needs done

If chord ab is congruent to chord cd, then what must be true about ef and eg?

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%