👤

Calculeazã distanta AB, dacã:

b) A(-1, 0), B(-5, 4);
c) A (-1, -4), B(-3, -8);


Răspuns :

AB=√[(xa-xb)^2 + (ya-yb)^2]

b) AB=√[(-1+5)^2 + (0-4)^2]

AB=√[(4)^2 + (-4)^2]

AB=√(16+16)

AB=√32

AB=4√2

c) AB=√[(-1+3)^2 + (-4+8)^2]

AB=√[(2)^2 + (4)^2]

AB=√(4+16)

AB=√20

AB=2√5