Mathematics
Junior High
Solved
(3)(4)の導き方がわかりません！
答えは(3)ー99° (4)ー30°です！
解説お願いします🙏
(3) BA=BC, ZACD= /BCD (4) DA=DC, ZACD= /BCD
△48°
B
C
B
X
& D.
A
50%
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