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Answers
∠A=180°-30°-50=100°
ADは∠Aの二等分線なので、
∠BAD=∠CAD
よって、100°÷2=50°
∠x=180°-30-50°=100°
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∠A=180°-30°-50=100°
ADは∠Aの二等分線なので、
∠BAD=∠CAD
よって、100°÷2=50°
∠x=180°-30-50°=100°
Users viewing this question
are also looking at these questions 😉
多分あってると思います
とてもわかりやすいですありがとうございます