Question

♡

どなたか解説お願いします😭😭🙏🏻

(12)
B
C
X
ま
A
30%
6
<ADB = <BDC = <BAC
<ACE=<ECD = LEAD
よって、
2= 30° + ( <BAC + <EAD)
= 30° + = ( ² ADC + ACD)
= 30° + = ((80° - <CAD)
2
= 30° + = ((80° -30°)
=105°