1.

Please give me answer fast of coordinate geometry​

Answer»

ANSWER:

Distance between points A and B is 5 unit.

Step-by-step explanation:

Suppose coordinates of point A are ( X1, y1) and of point B are (x₂, y₂)

∴ x1 = 2, y1 = 9, x₂=5, y₂=5

By distance formula,

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

= \sqrt{ {(5 - 2)}^{2} + {(5 - 9)}^{2} }

= \sqrt{ {3}^{2} + {( - 4)}^{2} }

= \sqrt{9 + 16}

= \sqrt{25}

= 5


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