Mathematics
Junior High
Resolved

急ぎです!
教えてください!

Answers

✨ Best Answer ✨

∠BCI=正六角形の内角-正五角形の内角=180(6-2)÷6-180(5-2)÷5
=120-108
=12

∠ABF=正六角形の内角÷4
=120÷4
=30=∠ABI

∠CBI=正六角形の内角-∠ABI
=120-30
=90

∠CIF=∠CBI+∠BCI
=90+12
=102

∠HIF=正五角形の内角-∠CIF
=108-102
=6

x=正五角形の内角+∠HIF
=108+6
=114

sa na⚡️

詳しい解説ありがとうございます!
とても良く分かりました〜*ˊᵕˋ*

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