Vocab Review

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Chapter 7 Vocab Review
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1. Write the generic formula (proportion) for
geometric mean (x) of two positive numbers a b.
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2. 1 inch100 miles is printed on a map. This
is an example of a __________ in a scale drawing.
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3. A ________________ is a statement that two
ratios are equal.
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4. Finding distances using similar triangles is
called __________ ___________
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5. The ratio of the lengths of corresponding
sides of two similar figures is the ___________
__________.
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6. Two polygons are ________ is corresponding
angles are congruent and corresponding sides are
proportional.
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7. The length and width of a golden rectangle are
in the ________ _________ which is _______ ___.
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8. The _______ ________ ___________ states that
the product of the _____ (a d) equals the
product of the _______ (b c) in the following
proportion a b c d
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9. When three or more ratios are equal you can
write an __________ __________.
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10. A _______ _______ is a rectangle that can be
divided into a square and a rectangle that is
similar to the original rectangle.
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1. a over x x over b
2. scale
3. proportion
4. indirect measurement
5. similarity ratio
6. similar
7. golden ratio (1.618 1)
8. cross-product property extremes means
9. extended proportion
10. golden rectangle

ANSWERS