Mathematics: Find the length of a diagonal of the rectangle abcd with vertices a (-3,1), b (-1,3), c (3,-1), and d (1,-3). •5.7 •6.3 •3.2 •4.5

Find the length of a diagonal of the rectangle abcd

Ответ:

chameleonsarelife

03.01.2022

We can choose : A ( -3, 1 ) and C ( 3, - 1 ).
So AC is a diagonal of the rectangle ABCD;
The formula for a distance between two points:
$d = \sqrt{( x_{2}- x_{1}) ^{2} +(y _{2} -y _{1} ) ^{2} } \\ d(AC)= \sqrt{(-3-3)^{2} +(-1-1) ^{2} } = \\ = \sqrt{36+4} =$
=√40 = 6.32455 ≈ 6.3
B ) 6.3

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Ответ:

adamske0

06.04.2020

Mathematics

only one, 42

step-by-step explanation:

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Find the length of a diagonal of the rectangle abcd with vertices a (-3,1), b (-1,3), c (3,-1), and d (1,-3).
•5.7
•6.3
•3.2
•4.5

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