Answer:
63°
Step-by-step explanation:
Hi there !
ABCD parallelogram => ∡A = ∡C
13x - 41 = 6x + 15
13x - 6x = 15 + 41
7x = 56
x = 56 : 7
x = 8
∡C = 6×8 + 15 = 48 + 15 = 63°
Good luck !
