Find the distance between the points (2, 5) and (5, 9).

Distance between two points (a, b) and (c, d) = (sqrt{(d – b)^{2} + (c – a)^{2}}

Distance between (2, 5) and (5, 9) = (sqrt{(9-5)^{2} + (5-2)^{2}})

= (sqrt{16 + 9} = sqrt{25} = 5 units)

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