Answer:

Step-by-step explanation:


X can equal 10,000 because 10,00 divided by 2 is 5000, which is 4 digits
What can be proven true in the diagram is the statement in letter C. angle CGB is complementary to angle AGD. It is because they both had the same vertex which is point G. Complementary angles are angles which are equal to 90 degrees wherein when you add both angles which are obviously 45 degrees, the sum is 90 degrees.
Can you tell me what the expressions, values and all that are
I ca't help with out the details.