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1.
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If  , then ______. a. |  | b. | x = 7 | c. | x =
4 | d. | x = 3 |
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2.
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The geometric mean of 5 and 15 is ______.
a. |  | b. | 75 | c. |  | d. | 10 |
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3.
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If  , then ______.
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4.
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Given that  , find AB to the nearest tenth. The
figure is not drawn to scale. 
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5.
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If two polygons are SIMILAR, then the corresponding angles must be _____.
a. | complementary | c. | congruent | b. | supplementary | d. | linear pairs |
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6.
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If two polygons are SIMILAR, then the corresponding sides must be _____.
a. | proportional | c. | parallel | b. | congruent | d. | similar |
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7.
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Given that  solve for x and
y.
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8.
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Which triangle is NOT similar to any of the others?
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9.
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Triangles LMN and NWR are right triangles.  What is the length of  a. | 2.5 cm | b. | 10 cm | c. | 15.6 cm | d. | 14.4
cm |
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10.
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One way to show that two triangles are similar is to show that ______.
a. | two angles of one are congruent to two angles of the other | b. | two sides of one are
proportional to two sides of the other | c. | a side of one is congruent to a side of the
other | d. | an angle of one is congruent to an angle of the other |
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11.
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Shown below is an illustration of the ______.  a. | AA Similarity Postulate | c. | SSS Similarity
Theorem | b. | SAS Congruence Theorem | d. | SAS Similarity Theorem |
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12.
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The postulate or theorem that can be used to prove that the two triangles are
similar is _____.  a. | SAS Similarity Theorem | c. | SSS Similarity Theorem | b. | ASA Congruence
Theorem | d. | AA Similarity
Postulate |
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13.
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Given:  . Find the length of  . 
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14.
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If  ABC ~  PBQ,
then which of the following proportions is NOT true? 
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15.
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For the figure shown, which statement is not true?
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