Question

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Answer 1

Step-by-step explanation:

coordinate point of B(2,5)

and coordinate point ofC(3,1)

Distance of BC

$\sqrt{ {(x2 - x1)}^{2} + {(y2 - y1)}^{2} }$

$= \sqrt{ {(3 - 2)}^{2} + {(1 - 5)}^{2} }$

$= \sqrt{ {1}^{2} + {( - 4)}^{2} }$

$= \sqrt{1 + 16} = \sqrt{17} = 4.12 = 4.1$