Question

Calcule o comprimento do segmento AB em:
A (-1,0) e B (2,-6)

Answer 1

A (-3,2) B (5,-4) 

D²=(x2-x1)²+(y2-y1)² 
D²=(5-(-3)²+(-4-2)² 
D²=8²+(-6)² 
D²=64+36 
D²=100 
D=10

Answer 2

A(-1,0) B(2,-6)
Dab=√(x2-x1)²+(y2-y1)²
Dab=√(2-(-1))²+(-6-0)²
Dab=√9+36
Dab=√45