Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Two figures must be similar if they are
a. | rectangles | b. | equilateral triangles | c. | rhombuses | d. | parallelograms |
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2.
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Two polygons are similar if their corresponding angles are ______________ and
the ratio of their corresponding sides are ________________.
a. | congruent; congruent | b. | congruent, proportional | c. | proportional;
congruent | d. | proportional; proportional |
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3.
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If two triangles are similar, their corresponding ______________ are
congruent.
a. | sides | b. | perimeters | c. | angles | d. | scale factors |
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4.
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In which of the following may the ratios form a proportion?
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5.
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 and  . Refer to the diagram to
find x and y.
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6.
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If the measures of the angles of a triangle are in the ratio 3:4:5, what is the
measure of the smallest angle of the triangle?
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7.
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If  , which of these proportions is
correct?
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8.
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Quadrilateral ABCD ~ EFGH, AB = DC = 10, BC = AD = 8 and EF = GH =18. What
is the scale factor of Quad. ABCD to Quad. EFGH?
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9.
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Which statement is correct?
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