FIRST AND BEST ANSWER WILL GET MARKED BRAINLIST GIVING ALL MY POINTS PLEASE HELP!! ITS URGENT

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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