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The given coordinates and .
(Distance formula)
(Substitute )
(Take the square root of each side)
(Cancel square s and roots)
(Add: )
(Formula: )
(Commutative property of addition)
(Add: )
(Subtract 89 from each side)
(Subtract: )
(Use formula: )
(Simplify)
(Add: )
(Factor of 340)
(Formula: )
()
(Distributive property)
(Cancel common term)
The value is .
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