I really don’t know this answer. Have you tried looking it up ?
They use colors to find regions so you can find them easyer.
Answer:
,
,
,
, 
Explanation:
If the quadrilateral presented in figure is a parallelogram, then the following conditions are satisfied:
(1)
(2)
(3)
(4)
(5)
(6)
If we know that
,
and
, then we have the following results:
,
,
,
, 
Answer:
If you're an edge it's multiple choice and it would be c