Mathematics
Junior High
Resolved

おねがいしまーす。

Answers

✨ Best Answer ✨

Aの円周のながさ 2aπ
B々 2bπ
C々2cπ
2π×(Dの半径)=2π(a+b+c)
Dの半径=a+b+c

なむじゅ

ありがとうございます!

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