lisa200592
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Which sequence of transformations will produce similar but not congruent figures?
Choose all answers that are correct

A.)Figure PQRST is rotated 180° counterclockwise around the origin and then translated 4 units right and 2 units down.
B.) Figure PQRST is translated 9 units right and then reflected across the x-axis.
C.) Figure PQRST is dilated by a scale factor of 3.7 and then translated 2 units up.
D.) Figure PQRST is rotated 90° counterclockwise around the origin and then dilated by a scale factor of 0.5.



Answer :

Well, anything that's rotated (turned), reflected (flipped), or translated (moved) is still the same shape of the same size, so the new figures would be congruent with the originals. Dilation, however, is when the shape stays the same but the size changes, so when a figure is dilated, it's not congruent, just similar. 2 out of the 4 are dilated, so those ones would be the answer.
bradsteran

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