Triangle Similarity: AA Answers
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On a coordinate plane, triangle A B C has points (negative 9, 3), (negative 9, 6), (0, 3) and triangle A double-prime B double-prime C double-prime has points (3, negative 1), (3, negative 2), and (0, negative 1).
A
a reflection over the x-axis, then a dilation by a scale factor of 3B
a reflection over the x-axis, then a dilation by a scale factor of
C
a 180° rotation about the origin, then a dilation by a scale factor of 3D
a 180° rotation about the origin, then a dilation by a scale factor of22
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Which diagram can be used to prove △ABC ~ △DEC using similarity transformations?
A
Triangle A B C is rotated about point C and then is dilated to form smaller triangle C E D.
B
Triangle A B C is reflected across side A C and then is dilated to form smaller triangle C E D.
C
Triangles A B C and C E D have different angle measures.
D
Right triangle A B C is shown. Line segment D E is drawn near point C to form triangle D E C.
23
Multiple similarity transformations are performed on a triangle. Which elements must be preserved?
A
orientationB
side lengthC
angle measureD
overall size24
Triangle A B C is reflected and then dilated to form smaller triangle A double-prime B double-prime C double-prime
A
a rotation and a dilationB
a rotation and a reflectionC
a reflection and a dilationD
a translation and a dilation25
Question text not available
A
Option
B
and
C
and
D
and
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