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CHS geometry 2015-2016--vocabulary list 7 definitions
definition flashcards to accompany vocabulary list 7
12
Mathematics
10th Grade
05/19/2016

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Cards

Term
leg
Definition
If a side of a right triangle is one of the two sides that form the right angle, then the side is called a(n) __________ of that right triangle
Term
adjacent leg
Definition
The leg of a right triangle that—along with the hypotenuse--forms a particular acute angle of a triangle is called the __________.
Term
opposite leg
Definition
The leg of a right triangle that is not one of the sides that form a particular acute angle of a right triangle is called the __________.
Term
tangent ratio
Definition
The __________ is the ratio of the length of the leg opposite an acute angle in a right triangle to the length of the leg adjacent to the same angle in a right triangle
Term
sine ratio
Definition
The __________ is the ratio of the length of the leg opposite a particular acute angle in a right triangle to the length of the triangle’s hypotenuse
Term
cosine ratio
Definition
The __________ is the ratio of the length of the leg adjacent to a particular acute angle in a right triangle to the length of the triangle’s hypotenuse
Term
perpendicular
Definition
Iff two lines are __________, then they intersect to form a right angle.
Term
parallel
Definition
Iff two lines in a plane never intersect, then they are __________.
Term
angle of depression
Definition
The __________ is a downward angle from a horizontal line. It's the angle formed by 1) an imaginary line from a given point that is parallel to the horizon and 2) another imaginary line from that same point to a point that is below the horizon
Term
angle of elevation
Definition
The __________ is an upward angle from a horizontal line. It is the angle formed by 1) an imaginary line from a given point that is parallel to the horizon and 2) another imaginary line from that same point to a point that is above the horizon
Term
diameter
Definition
Iff a segment passes through the center of circle and its endpoints lie on the circle, then the segment is a(n) __________ of the circle.
Term
radius
Definition
Iff one endpoint of a segment is the center of a circle and the other endpoint lies on the circle, then the segment is a(n) __________ of the circle.
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