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What is the length of ac?

What is the length of ac?-example-1

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AD=\sqrt{7.5^(2)-6.5^(2)}= √(14) \\DC=\sqrt{10^(2)-6.5^(2)}=√(57.75)\\AC=AD+DC\\AC=√(14)+√(57.75)\\AC=11.34

User Jeremy Su
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