Jake A.
asked • 12/13/20The vertices of ∆𝐽𝐾𝐿 have coordinates J(5, 1), K(−2, −3), and L(−4, 1). Under which transformation is ∆J ′K ′L ′ not congruent to ∆JKL?
A translation of two units to the right and to units down
A counterclockwise rotation of 180 degrees around the origin
A reflection over the x-axis
A dilation with a scale factor of 2 and centered at the origin
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1 Expert Answer
Michael M. answered • 12/13/20
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Math, Chem, Physics, Tutoring with Michael ("800" SAT math)
A triangle is no longer congruent when at least one of its side lengths change. So which one of these transformations changes the size or shape of the triangle?
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Mark M.
Which of the transformations are "rigid"? Check your text4 book.12/13/20