Question

qual é a distância entre o barecimetro (-4 ; 2) e o ponto A(2;3)
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Answer 1

Olá thiago,:)

$d^2_{A,B}=(X_{B}-X_{A})^2-(Y_{B}-Y_{A})^2$

$d^2_{A,B}=(2-\frac{-4}{3})^2+(3-2)^2$

$d^2_{A,B}=\left(\begin{array}{c}\frac{6}{3}\\\end{array}\right)^2+(1)^2$

$d^2_{A,B}=(2)^2+(1)^2$

$d^2_{A,B}=5$

$d_{A,B}=\sqrt{5}$