Mathematics
Junior High
Resolved

ここってなんで∠xと同じ角度になるんですか?教えて欲しいです🙇🏻‍♀️

D 105% 30° CAD = BC 24 B AD-BC <xと同じ角度 <x=80°÷2=40° < y = 180° - 105-40° = 35

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