Question

O módulo do segmento orientado AB, sendo A=(1,2) e B=(5,3) equivale a:  

Answer 1

Olá

AB = B - A

AB = (5, 3) - (1, 2)

AB = (5-1, 3-2)

AB = (4, 1)

Calculando módulo

$\mathsf{|AB|= \sqrt{(4)^2+(1)^2} }\\\\\\\mathsf{|AB|= \sqrt{16+1} }\\\\\\\boxed{\mathsf{|AB|= \sqrt{17} }}$