Mathematics
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4cm 4cm 2 〆 4cm
立方体 直方体 対角線

Answers

✨ Best Answer ✨

2cm×4cm×4cmの直方体と考えて
√(2^2+4^2+4^2)
=√(4+16+16)
=√36
=6cm
です

とうふ

丁寧にありがとうございます!解けました!

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