Answer:
the ewser is 4
Step-by-step explanation:
sence x=1 1+3 =4
Simply state that it is a parallelogram according to the parallelogram theorm. If you need the segments here's an example (A ≈ B and C ≈ D) thats it!
20, you just need to substitute the x value in the equation
(-2)2-7(-2)+10=
=20