Will pick brainliest! Please help with the attached file!

Answer:
The angle is 50
Step-by-step explanation:
EADC is a quadrilateral which sums to 360 degrees
E and D are tangent to the angle is 90 degrees
A is 130
C + 90+130+90 = 360
Combine like terms
C +310 = 360
Subtract 310 from each side
C = 360-310
C = 50