Mathematics
Junior High
[円周角の定理]解説お願いします
(3)
C
29°
B
0
34°
IC
D
A
(直線ADは円Oの接線)
(3) ZAOD=90°-34° 56°
ZAOB=56°+2×29°=114°
ZOAB=(180°-114°)÷2=33°
Zx=90°-33°=57°
Answers
No answer yet
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
Recommended
【数学】覚えておいて損はない！？差がつく裏ワザ
11425
87
【夏勉】数学中3受験生用
7355
105
【夏まとめ】数学 要点まとめ！(中1-中3途中まで)
6376
81
【夏スペ】数学 入試に使える裏技あり！中3総まとめ
2615
7