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terms + definition
exam!!
27
Mathematics
10th Grade
12/19/2012

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Term
Point
Definition
Indicates a location and has no size
Term
Angle bisector
Definition
A ray that divides an angle into two congruent parts
Term
Vertical angles
Definition
These are formed when two straight lines intersect
Term
Straight angle
Definition
An angle whose measure s 180 degrees
Term
Vertex
Definition
The common endpoints of 2 rays that form an angle
Term
Distance
Definition
The absolute value of the difference of the coordinates of two points
Term
Ray
Definition
A part of a line that consists of one
Term
Collinear
Definition
Points that lie on the same line
Term
Perimeter
Definition
The sum of the lengths of the sides of a polygon
Term
Area
Definition
The size of a surface or the amount of space inside the boundary of a flat z-dimensional object
Term
Crcumference
Definition
The distance around a circle
Term
Diameter
Definition
A straight line going through the center of a circle connecting two points of the circumference
Term
Radius
Definition
The distance from the center to the edge of a circle
Term
Inductive reasoning
Definition
reasoning based on patterns you observe
Term
Conjecture
Definition
a conclusion you reach after using inductive reasoning
Term
Counterexample
Definition
an example that shows a conjecture to be untrue.
Term
Conditional statement
Definition
a compound sentence usually formed by using the words "If...then" to combine two simple sentences.
Term
Hypothesis
Definition
The "p" part of the implication that follow "if"
Term
Conclusion
Definition
The "q" part of the implication that follows "then"
Term
Parallel lines
Definition
lines that never intersect. the symbol is ||
Term
Skew lines
Definition
lines that are not parallel and do not intersect
Term
Parallel planes
Definition
Planes that do not intersect
Term
Transversal
Definition
a line that intersect two or more lines at distinct points
Term
Alternate Interior angles
Definition
nonadjacent interior angles that lie on opposite sides of the transversal
Term
Same-side interior angles
Definition
interior angles that lie on the same side of the transversal
Term
Corresponding angles
Definition
angles that lie on the same side of the transversal at and in corresponding position
Term
Alternate Exterior angles
Definition
nonadjacent exterior angles that lie on opposite sides of the transversal
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