Respostas

2013-11-19T09:25:51-02:00
A) AB = \/(4-6)²+(1-3)² = \/(-2)²+(-2)² = \/(4+4) = \/8 = 2\/2
b) AB = \/(3-(-3))²+(-2-0)² = \/(3+3)²+(-2)² = \/6²+4 = \/36+4 = \/40 = 2\/10

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