Question

Calcule a distância entre os pontos H(-1,3) e I(4,-2)​

Answer 1

$dHI=\sqrt{(x_H-x_I)^2+(y_H-y_I)^2}$

$dHI=\sqrt{(-1-4)^2+(3-(-2))^2}$

$dHI=\sqrt{(-5)^2+(3+2)^2}$

$dHI=\sqrt{(-5)^2+5^2}$

$dHI=\sqrt{25+25}$

$dHI=\sqrt{50}$

$dHI=\sqrt{25.2}$

$dHI=5\sqrt{2}$