Respuesta :
D) 54 degrees:
BD+AB+DE+2ACE" on the circumference twice on the center"=360
28+112+112+2ACE=360
2ACE=108
∠ACE=54
BD+AB+DE+2ACE" on the circumference twice on the center"=360
28+112+112+2ACE=360
2ACE=108
∠ACE=54