GIVING 11 POINTS AWAY PLEASE HELP ME ASAP PLEASE DONT GUESS CAUSE THIS IS A TEST QUESTION

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.