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Math Flash Cards
N/A
13
Mathematics
9th Grade
12/19/2012

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Cards

Term
Acute Angle
Definition
An angle with a measure of less than 90 degrees.
Term
Angle of elevation
Definition
Angle formed by a horizontal line and the line of sight and an object above
Term
Angle of depression
Definition
An angle formed by a horizontal line and the line of sight of an object below
Term
Adjacent angles
Definition
Two coplanar angles that have a common side and vertex but no common iterior points.
Term
Pythagorean Theorem
Definition
In a right triangle, side A and B being the legs and side C being the hypotenuse, A squared plus B squared equals C squared.
Term

Hypotenuse

 

Definition
The side opposite of the right angle in a right triangle.
Term
Right Triangle
Definition
A triangle that has a 90 degree angle
Term
Sin of a right triangle
Definition
opposite over hypotenuse
Term
Cosine of a right triangle
Definition
Adjacent over hypotenuse
Term
Tangent of a right triangle
Definition
opposite over adjacent
Term
Equiangular polygon
Definition
polygon whose angles are all congruent
Term
Geometric mean
Definition
The number x such that a/x = x/b, where a, b, and x are positive numbers.
Term
Pythagorean Triple
Definition
a set of three nonzero whole numbers a, b, and c that satisfy the equation A squared plus B squared equals C squared
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