Question

calcule a distancia do ponto A(8,2) e ponto B(3,7)

Answer 1

A(8,2) B(3,7)

delta x = |8-3| = 5
delta y = |2-7| = 5

Aplique Pitágoras

d^2=5^2+5^2
d^2=25+25
d^2=50
d=raiz(50)
d=5*raiz(2)
d=7.071

Answer 2

dAB=√(3-8)²+(7-2)²
dAB=√(-5)²+5²
dAB=√25+25
dAB=√50