Rectangle
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ABCDA, B, C, D is graphed in the coordinate plane. The following are the vertices of the rectangle:
�
(
2
,
1
)
A(2,1)A, left parenthesis, 2, comma, 1, right parenthesis,
�
(
5
,
1
)
B(5,1)B, left parenthesis, 5, comma, 1, right parenthesis,
�
(
5
,
6
)
C(5,6)C, left parenthesis, 5, comma, 6, right parenthesis, and
�
(
2
,
6
)
D(2,6)D, left parenthesis, 2, comma, 6, right parenthesis.
Given these coordinates, what is the length of side
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AB of this rectangle?