# Study sets matching "high school geometry flashcards"

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Corresponding Angles

Alternate Interior Angles

Alternate Exterior Angles

Same Side or Consecutive Interior Angles

Angles that are in the same relative position - they are congr…

Angles that are both inside the parallel lines and are on oppo…

Angles that are both outside of the parallel lines and are on…

Angles that are both inside the parallel lines and are on the…

Corresponding Angles

Angles that are in the same relative position - they are congr…

Alternate Interior Angles

Angles that are both inside the parallel lines and are on oppo…

Geometry

Point

Line

Plane

word composed of two Greek terms, "geos" meaning earth and "me…

it is represented by a dot

; it is composed of an infinite series of points; extends with…

any flat surface

Geometry

word composed of two Greek terms, "geos" meaning earth and "me…

Point

it is represented by a dot

Point

Line

Segment

Ray

A precise location or place on a plane. It has no size only po…

A straight one dimensional figure that has no thickness, and e…

A piece of a line with end points.

Starts at any given point, and goes off in a certain direction…

Point

A precise location or place on a plane. It has no size only po…

Line

A straight one dimensional figure that has no thickness, and e…

If then statement

converse

inverse

contrapositive

Conditional statement (any statement written in if-then form.…

the hypothesis becomes the conclusion, the former conclusion b…

negated conditional statement

negated converse

If then statement

Conditional statement (any statement written in if-then form.…

converse

the hypothesis becomes the conclusion, the former conclusion b…

Acute Angle

Acute Triangle

Adjacent Angles

Alternate Exterior Angles

angles that measures less than 90°

triangle with three acute angles

two angles in a plane with a common vertex and common side, bu…

An angle pair formed by a transversal and two lines where the…

Acute Angle

angles that measures less than 90°

Acute Triangle

triangle with three acute angles

Point

Line

Plane

Collinear

A point is a location and has no size. It is represented by a…

A line is a straight path that has not thickness and extends f…

A plane is a flat surface that has no thickness and extends fo…

Points that lie on the same line are collinear.

Point

A point is a location and has no size. It is represented by a…

Line

A line is a straight path that has not thickness and extends f…

slope formula

parallel lines have _____ slope; perpen…

distance formula

midpoint formula

m = y1 - y2 / x1 - x2

same; opposite reciprocal

d = square root of (x2 - x1)^2 + (y2 - y1)^2

M = ([x1 + x2]/2, [y1 + y2]/2)

slope formula

m = y1 - y2 / x1 - x2

parallel lines have _____ slope; perpen…

same; opposite reciprocal

Corresponding Angles

Alternate Interior Angles

Alternate Exterior Angles

Same Side or Consecutive Interior Angles

Angles that are in the same relative position - they are congr…

Angles that are both inside the parallel lines and are on oppo…

Angles that are both outside of the parallel lines and are on…

Angles that are both inside the parallel lines and are on the…

Corresponding Angles

Angles that are in the same relative position - they are congr…

Alternate Interior Angles

Angles that are both inside the parallel lines and are on oppo…

Corresponding Angles

Alternate Interior Angles

Alternate Exterior Angles

Same Side or Consecutive Interior Angles

Angles that are in the same relative position - they are congr…

Angles that are both inside the parallel lines and are on oppo…

Angles that are both outside of the parallel lines and are on…

Angles that are both inside the parallel lines and are on the…

Corresponding Angles

Angles that are in the same relative position - they are congr…

Alternate Interior Angles

Angles that are both inside the parallel lines and are on oppo…

Midpoint

Slope

Distance

Perpendicular lines

The middle of a segment.

Describes both directions and steepness of the line

Length or how far away something is

two lines that intersect to form a 90* angle

Midpoint

The middle of a segment.

Slope

Describes both directions and steepness of the line

Corresponding Angles

Alternate Interior Angles

Alternate Exterior Angles

Same Side or Consecutive Interior Angles

Angles that are in the same relative position - they are congr…

Angles that are both inside the parallel lines and are on oppo…

Angles that are both outside of the parallel lines and are on…

Angles that are both inside the parallel lines and are on the…

Corresponding Angles

Angles that are in the same relative position - they are congr…

Alternate Interior Angles

Angles that are both inside the parallel lines and are on oppo…

Angle Bisector

Vertical Angles

Linear Pair of Angles

Skew Lines

A ray that divides an angle into 2 congruent angles

Angles formed by the intersection of 2 lines that are not adja…

Consists of 2adjacent angles that form a straight line.

Non-Coplanar lines that do not intersect

Angle Bisector

A ray that divides an angle into 2 congruent angles

Vertical Angles

Angles formed by the intersection of 2 lines that are not adja…

What are 3 building Blocks of Geometry

Definition

Collinear

Co-planar

Point Line Plane

Statement that clarifies or explains the meaning of a word or…

Two or more points on a line

Two or more points in the same plane

What are 3 building Blocks of Geometry

Point Line Plane

Definition

Statement that clarifies or explains the meaning of a word or…

In a parallelogram... Both pairs of opp…

In a parallelogram... Exactly 1 pair of…

In a parallelogram... Diagonals are per…

In a parallelogram... Diagonals are con…

always

never

sometimes

sometimes

In a parallelogram... Both pairs of opp…

always

In a parallelogram... Exactly 1 pair of…

never

collinear

noncollinear

point

line

three or more points that lie on the same line

points that do not lie on the same line

a point has no size. points are named using capital letters.

a set of points that creates a straight path. Goes on forever.…

collinear

three or more points that lie on the same line

noncollinear

points that do not lie on the same line

acute angle

adjacent angles

angle bisector

angle

less than 90 degrees

2 coplanar angles with a common side, a common vertex and no c…

ray that divides an angle into 2 congruent angles

formed by 2 sides which are noncollinear rays

acute angle

less than 90 degrees

adjacent angles

2 coplanar angles with a common side, a common vertex and no c…

Postulate 1.1 - Ruler Postulate

Postulate 1.2 - Segment Addition Postul…

Postulate 1.3 - Protractor Postulate

Postulate 1.4 - Angle Addition Postulate

The points on a line can be matched one to one with real numbe…

If B is between A and C, then AB+BC=AC... If AB+BC=AC, then B is…

The measure of <AOB, which can be written as m<AOB, is equal t…

If P is in the interior of <RST, then the measure of <RST is e…

Postulate 1.1 - Ruler Postulate

The points on a line can be matched one to one with real numbe…

Postulate 1.2 - Segment Addition Postul…

If B is between A and C, then AB+BC=AC... If AB+BC=AC, then B is…

The Three Building Blocks of Geometry

Definition

Colinear

Co-planar

Point, Line, Plane

Statement that clarifies or explains the meaning of a word or…

Two or more points on a line.

Two or more points in a plane.

The Three Building Blocks of Geometry

Point, Line, Plane

Definition

Statement that clarifies or explains the meaning of a word or…

point

line

plane

segment

specific location; has no dimension and is represented by a do…

connected single straight path- no thickness- and continues fo…

a flat surface -no thickness- and continues forever in both di…

a portion of a line consisting of two points and all points be…

point

specific location; has no dimension and is represented by a do…

line

connected single straight path- no thickness- and continues fo…

Point

Line

Plane

Collinear Points

indicates a location and has no size represented by a dot

straight path that extends in 2 opposite directions without en…

flat surface that extends without end and has no thickness

points on the same line

Point

indicates a location and has no size represented by a dot

Line

straight path that extends in 2 opposite directions without en…

Perpendicular Bisector

Perpendicular Bisector Theorem

Circumcenter Theorem

Angle Bisector Theorem

Is a line segment or ray that is perpendicular to the given se…

If a point is on the perpendicular bisector of a segment, then…

The Perpendicular Bisectors of the sides of a triangle interse…

If a point on the bisector of an angle, then it's equidistant…

Perpendicular Bisector

Is a line segment or ray that is perpendicular to the given se…

Perpendicular Bisector Theorem

If a point is on the perpendicular bisector of a segment, then…