# Study sets matching "high school geometry flashcards"

Study sets

Diagrams

Classes

Users

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…

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…

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

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…

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…

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…

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

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…

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…

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…

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…

The following are preserved under a Dil…

Angle Measures

Parallelism

Collinearity

1. Angle Measures 2. Parallelism 3. Colinearity 4. Orientation

Stay the same

|| lines remain ||

Points stay on the same lines

The following are preserved under a Dil…

1. Angle Measures 2. Parallelism 3. Colinearity 4. Orientation

Angle Measures

Stay the same

Dodecagon

Collinear

Compass

supplementary

a plane figure with twelve sides.

(of points) lying in the same straight line.

A drawing instrument used for drawing circles and arcs.

Two angles whose sum is 180 degrees

Dodecagon

a plane figure with twelve sides.

Collinear

(of points) lying in the same straight line.

What angles and sides are congruent in…

What angles and sides are supplementary…

List the five ways of proving parallelo…

All points on two parallel lines are __…

opposite

consecutive

-if a pair of opposite sides of a quadrilateral are congruent…

equidistant

What angles and sides are congruent in…

opposite

What angles and sides are supplementary…

consecutive

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…

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…

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

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