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  5. ④教えてください！
Mathematics
Junior High
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Ryoki
Ryoki

④教えてください！

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✨ Best Answer ✨

ys
ys

OとTを結ぶと△ATOができるので、３平方の定理を用いると、AO²=6²＋9²=117
よってAO=3√13

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