✨ Best Answer ✨
AC=√(144+49)=√193
AE^2 = AD^2-DE^2 = AC^2-CE^2
144-x^2 = 193-(13-x)^2
解出x能求AE
✨ Best Answer ✨
AC=√(144+49)=√193
AE^2 = AD^2-DE^2 = AC^2-CE^2
144-x^2 = 193-(13-x)^2
解出x能求AE
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