Respuesta :

claudettoterohil

< 7 ==> 7 - 5 ==> 2

Pythagorean Theorem: C^2 = A^2 + B^2, or A^2 + B^2 = C^2

< AD <^2 ==> 2^2 + 18^2

< AD <^2 ==> 4 + 324

< AD <^2 ==> 328

< AD ====> 18.1

Hence, The Answer: Letter Choice, (A), 18.1

Hope that helps!!!! : )

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