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Chapters 6 and 7 Vocab
Proportions
13
Mathematics
10th Grade
05/30/2009

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Cards

Term
ratio
Definition
comparison of two quantities
Term
proportion
Definition
a statement that two ratios are equal
Term
scale factor
Definition
when two polygons are similar, the ratio of the lengths of corresponding sides is called
Term
geometric mean
Definition
the square root of the product of the two numbers
Term
Pythagorean Theorm
Definition
a2 + b2 = c2
Term
pythagorean triple
Definition
If the lengths of all the sides of a right triangle are whole numbers then the three sides are called
Term
angle of elevation
Definition
an angle formed by a horizontal side and an upward side called the line of sight
Term
angle of depression
Definition
an angle formed by a horizontal side and a downward line of sight
Term
30-60-90
Definition
hypotenuse is 2x shorter leg
longer leg is square root of 3 times shorter leg
Term
45-45-90
Definition
hypotenuse is square root of 2 times a leg
Term
sine
Definition
opposite/hypotenuse
Term
cosine
Definition
adjacent/hypotenuse
Term
tangent
Definition
opposite/adjacent
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