Question

Calcule a distância entre os dois pontos: A(2,-1) e B(3,-7)

Answer 1

A= (2,-1) B= (3,-7)

d=√(x2-x1)²+(y2-y1)²

d= √(3-2)²+(-7-1)²
d= √1²+(-8)²
d= √1+64
d= √65um