4 years ago

Find the length of XY with endpoints X(-2,7) and Y(-2,-8

Mathematics

1 answer:

Sholpan [36]4 years ago

7 0

$length=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(-2-(-2))^2+(-8-7)^2}\\=\sqrt{0^2+(-15)^2}=\sqrt{225}=15$

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