AA Criterion from Similarity Transformations
Geometry · Flashcards · Application
GEOMETRY · FLASHCARDS
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QUESTION
Find the image length of a segment of length
10
10
10
under dilation with
k
=
3
2
k=\frac{3}{2}
k
=
2
3
.
QUESTION
Find the scale factor
k
k
k
if similar triangles have areas in ratio
A
2
A
1
=
25
4
\frac{A_2}{A_1}=\frac{25}{4}
A
1
A
2
=
4
25
.
QUESTION
Find the area scale factor if corresponding side scale factor is
k
=
3
k=3
k
=
3
.
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ANSWER
9
9
9
. Area scales by the square of the side scale factor:
3
2
=
9
3^2 = 9
3
2
=
9
.
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