Question

encontre a distancia entre os pontos dados c(-1,4) d(-2,-3)

Answer 1

$dCD = \sqrt{ (x2-x1)^{2} + (y2-y1)^{2}} \\\\\ x1 = -1 \ \ y1=-2 \\ x2 = 4 \ \ \ \ y2 = -3\\\\ dCD = \sqrt{ (4-(-1))^{2} + (-3-(-2))^{2}} = \\\\ dCD = \sqrt{ 25 + 1}} = \\\\ dCD = \sqrt{26}}$

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