can someone help with 15 questions

Question

anonymous · Answer

http://static.k12.com/calms_media/media/802500_803000/802602/2/75f1783a94c29e05afb4056d9b4c7ddd427ce9b2/14_2137_14_question.jpg

anonymous · Answer

Square DEFG is constructed with a compass and straightedge. 
Which statement tells why line segment DE is congruent to line segment EF?
  

 
 A.
The length of line segment FG is double the length of line segment EF.
 
 B.
The length of line segment DE is double the length of line segment FG.
 
 C.
Line segment DE and line segment EF are radii of the same circle.
 
 D.
The lengths of line segment DG and line segment GF are measured with the straightedge.

anonymous · Answer

@perl

mahmood786123 · Answer

Youre only allowed one question per post

anonymous · Answer

i know