Question

look at the picture below

Answer 1

This is saying that side AB = DC

Answer 2

Also, OA, OB, OC, OD are all equal since they are all of radius length.

Answer 3

ok soo...

Answer 4

So all three sides of both triangles are identical.

Answer 5

So then the angles must also be........what?

Answer 6

congruent

Answer 7

So then what must x be?