Mathematics
Junior High
Resolved
数学
なぜ最後に÷2をしているのですか。
(4)です。
(3) Zx=60°- (80°-38°)=18°
(4)
CAB=65°+27°=92°
Zx=(180°-92°)÷2=44°
(4) AB=AC e//m
X
1
m.
b
27°
B
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