The intersection of to lines is a …
A figure formed by two rays with a common endpoint.[image]
Points lying on the same line.[image]
Points lying on the same plane.[image]
Two or more points in common.
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An undefined term in geometry, understood to be perfectly straight, has no thickness, contain and infinite amount of points, and extend infinitely in both directions.[image]s.
An undefined term in geometry, which is understood to be a flat surface that extends infinitely in all directions.
An undefined term in geometry, that can be thought of as a dot that represents a location in space that has no size.[image]
A statement that is accepted as true without proof.
A part of a line that starts at a point and extends infinitely in one direction.
A part of a line that begins at one point and ends that another.
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The point in common of the two rays that form an angle.[image]
The intersection of two planes is a ..
.
Through any two points there is one and only …
Through any three noncollinear points there is one and only one…
If there are two points in a plane, then the line containing them is in the …
The relationship between figures having the same size and shape.
The distance from one endpoint to another.abs val ( a – b ) orabs val ( b – a )
Segment Congruence Postulate
If two segments have the same length as measured by a fair ruler, then the segments are congruent.
Also, if two segments are congruent, then they have the same length as measured by a fair ruler.
Segment Addition Postulate (line including points PQR)
If point Q is between points P and R on a line, then PQ + QR = PR
An angle whose measure is less than 90 degrees.
Two angles whose measure has a sum of 90 degrees.
These angles are created when two lines intersect. The measure of the line is 180 degrees, so the angles must also sum 180 degrees.
An angle whose measure is greater than 90 degrees.
An angle whose measure is 90 degrees.
Two angles whose sum has a measure of 180 degrees.
Angle Addition Postulate states that if a point S lies in the interior of ?PQR, then ?PQS + ?SQR = ?PQR.
Angle Congruence Postulate
If angles have the same measure, then they are congruent. If two angles are congruent, then they have the same measure.
If two angles form a linear pair, then they are supplementary.
A ray that divides an angle into two congruent angles.
The point at which an image rotates around.
The center of a circumscribed circle; the point which the three perpendicular bisectors of the sides of a triangle intersect.
A circule that is drawn around the outside a triagle and contains all three vertices.
Literally, “running together”; of three or more lines, intersecting at a single point.
A statement that is believed to be true.
A point at an end of a segment or the starting point of a ray.
The center of an inscribed circle; the point where the three angle bisectors of a triangle intersect.
Is a circle inside a triangle that touches each side of the triangle at one point.
The point that divides a segment into two congruent segments.
Coplanar lines that never intersect.
A line that is perpendicular to a segment at its midpoint.
Lines that intersect to form right angles.
A shape that undergoes a motion or a transformation.
A transformation that creates a mirror image.
A transformation where the image is rotated around a single point.
A transformation in which every point on the image moves/slides the same direction.
A transformation that does not change the shape or size of a figure.