Help me please and explain

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asked Mar 24, 2018 97.6k views

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Lulliezy · Answer 1 · 2018-03-29T17:45:47+0000

The length of a segment AB, knowing their pairs (coordinates) is

AB =√[(x₂-x₁)² + (y₂-y₁)₂], x₁, y₁ being the pair of A and x₂, y₂, the pair of B

A(1,2) and B(4,6)

AB =√[4-1)² + (6-2)²] ; AB =√(9 +16) = √25 Hence AB = 5

Help me please and explain

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