Mathematics
Junior High
Resolved

xの求め方が分かりません😿

式教えてください🙇🏻‍♀️

(3) 72
角の計算

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✨ Best Answer ✨

 72°+(180°-2⚪︎)+(180°-2⚫︎)=180°
 432°-2⚪︎-2⚫︎=180°
 2⚪︎+2⚫︎=252°
 ⚪︎+⚫︎=126°

 ⚪︎+⚫︎+x=180°
 126°+x=180°
 x=54°

なるほど⋆⸜💡⸝⋆
ありがとうございます‪.ᐟ‪.ᐟ

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