AnswersGeometrySimilarity Transformations

Similarity Transformations — Test Answers

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Is rectangle EFGH the result of a dilation of rectangle ABCD with a center of dilation at the origin? Why or why not?

A
No, because corresponding sides have different slopes.
B
Yes, because corresponding sides are parallel and have lengths in the ratio 4 thirds .
C
No, because the center of dilation is not at open paren 0 comma 0 close paren .
D
Yes, because both figures are rectangles and all rectangles are similar.
24

What is the perimeter of triangle WXY ?

A
14 point 5 0 cm
B
12 point 4 6 cm
C
11 point 5 7 cm
D
12 point 2 2 cm
25

To prove that the triangles are similar by the SAS similarity theorem, it needs to be shown that

A
the fraction with numerator cap A cap c and denominator cap g cap i is equal to the fraction with numerator cap h cap i and denominator cap b cap c .
B
angle cap c is congruent to angle cap g .
C
angle cap c is congruent to angle cap c .
D
the fraction with numerator cap A cap c and denominator cap g cap i is equal to the fraction with numerator cap b cap c and denominator cap h cap i .

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