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Mathematics 20 Online
OpenStudy (anonymous):

Polygon ABCD is translated to create polygon A′B′C′D′. Point A is located at (1, 5), and point A′ is located at (-2, 1). What is the distance from B to B′ ? @perl

OpenStudy (perl):

AA ' = BB' so all we need to know is the distance AA'

OpenStudy (perl):

distance AA' = sqrt( ((-2) -1)^2 + (1-5)^2_

OpenStudy (perl):

AA'= sqrt( 25) = 5 so because AA' = BB' can you solve now?

OpenStudy (anonymous):

yes @perl

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