Question

Calcule as distância entre os Pontos a) P (2,3) e Q ( 2,7 )
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Answer 1

$dPQ=\sqrt{(x_Q-x_P)^2+(y_Q-y_P)^2}$

$dPQ=\sqrt{(2-2)^2+(7-3)^2}$

$dPQ=\sqrt{0^2+4^2}$

$dPQ=\sqrt{16}$

$dPQ=4$