1 Answer

Bert Hekman · Answer 1 · 2020-05-14T22:05:05+0000

Answer:

The length of AB is
$√(74)\ units$

Explanation:

we know that

The formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^(2)+(x2-x1)^(2)}$

$A(2,-6)\\B(7,1)$

substitute

$d=\sqrt{(1+6)^(2)+(7-2)^(2)}$

$d=\sqrt{(7)^(2)+(5)^(2)}$

d=√(49+25)

$AB=√(74)\ units$

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