#### Study sets matching "geometry flashcards"

#### Study sets matching "geometry flashcards"

Line Segment

Parallel

Acute Angle

Right angle

1. A ________ is a portion, or piece, of a line that has defi…

1. If two lines are an equal distance apart and never cross,…

1. An _______ measures less than 90 degrees, unlike an obtuse…

1. Every corner of a square is a ________.... 2. A _______ is fo…

Line Segment

1. A ________ is a portion, or piece, of a line that has defi…

Parallel

1. If two lines are an equal distance apart and never cross,…

Polygon Sum Formula (variable "n")

What is the sum of the exterior angles…

What is the sum of the angles of a dec…

What is the measure of an angle in a r…

180(n-2)

360 degrees

1440 degrees

120 degrees

Polygon Sum Formula (variable "n")

180(n-2)

What is the sum of the exterior angles…

360 degrees

midpoint

line segment

line

ray

A point of a line segment that divides it into two congruent…

A part of a line with two endpoints

one-dimensional figure that extends infinitely in both direct…

a part of a line that starts at one endpoint and extends fore…

midpoint

A point of a line segment that divides it into two congruent…

line segment

A part of a line with two endpoints

Inductive reasoning

Conjecture

Counterexample

Conditional Statement

When one finds a pattern in specific cases and then writes a…

An unproven statement that is based on observations. (Assumpt…

A specific case for which the conjecture is false.

A logical statement that has two parts, a hypothesis and a co…

Inductive reasoning

When one finds a pattern in specific cases and then writes a…

Conjecture

An unproven statement that is based on observations. (Assumpt…

SSS Congruence Theorem

ASA Congruence Theorem

AAS Congruence Theorem

HL Congruence Theorem

Type of congruence theorem used with sides only.

Type of congruence theorem used with an angle, side and then…

Type of congruence theorem used with 2 angles and then a side.

Type of congruence theorem used with a right triangle with on…

SSS Congruence Theorem

Type of congruence theorem used with sides only.

ASA Congruence Theorem

Type of congruence theorem used with an angle, side and then…

Definition Of A Line

Intersecting Lines Postulate

Intersecting Planes Postulate

Definition Of A Plane Postulate

Through any two points there is exactly one line.

If two distinct lines intersect, then they intersect in exact…

If two distinct planes intersect, they intersect in exactly o…

Through any three noncollinear points there is exactly one pl…

Definition Of A Line

Through any two points there is exactly one line.

Intersecting Lines Postulate

If two distinct lines intersect, then they intersect in exact…

Cirlce

Center

Radius

Chord

The set of all points that are equidistant from a given point.

The given point from which all points on a circle are the sam…

A segment whose endpoints are the center and any point on the…

A segment whose endpoints are on the circle.

Cirlce

The set of all points that are equidistant from a given point.

Center

The given point from which all points on a circle are the sam…

Point

Line

Plane

collinear

a location with no size or dimension

A straight contiuously forever exsiting amount of points that…

A flat surface that extends infinetly along its edges. A plan…

on the same line

Point

a location with no size or dimension

Line

A straight contiuously forever exsiting amount of points that…

Postulate 1 (Segment Addition Postulate)

Postulate 2 (Ruler Postulate)

Postulate 3 (Protractor Postulate)

Postulate 4 (Angle Addition Postulate)

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

Lines behave like normal

Angles behave like normal

If point B lies on the interior of angle AOC, then mAOB + mBO…

Postulate 1 (Segment Addition Postulate)

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

Postulate 2 (Ruler Postulate)

Lines behave like normal

circumcenter

incenter

centroid

orthocenter

POC of the perpendicular bisectors of a triangle, equidistant…

POC of the angle bisectors of the triangle, equidistant to th…

POC of medians in triangle, always inside

POC of altitudes in a triangle, can be inside, outside, or on…

circumcenter

POC of the perpendicular bisectors of a triangle, equidistant…

incenter

POC of the angle bisectors of the triangle, equidistant to th…

congruent angles

angle bisector

vertical angles

linear pair

Angles that have the same measure

a ray that divides an angle into two congruent angles

the nonadjacent angles formed by two intersecting lines

a pair of adjacent angles whose noncommon sides are opposite…

congruent angles

Angles that have the same measure

angle bisector

a ray that divides an angle into two congruent angles

Square

Rectangle

Rhombus

Parallelogram

- All angles are equal (90°).... - All sides are of equal length…

- All angles are equal (90°).... - Opposite sides are of equal l…

- Diagonally opposite angles are equal.... - All sides are of eq…

- Diagonally opposite angles are equal.... - Opposite sides are…

Square

- All angles are equal (90°).... - All sides are of equal length…

Rectangle

- All angles are equal (90°).... - Opposite sides are of equal l…

Adjacent Angles

Congruent Angles

Vertical Angles

Angle

Have a common vertex and a common side, but no common interio…

Have the same measure.

The nonadjacent angles formed by two intersecting lines. Vert…

Formed by two rays, or sides, with a common endpoint called t…

Adjacent Angles

Have a common vertex and a common side, but no common interio…

Congruent Angles

Have the same measure.

Conjecture (Ch1)

Inductive Reasoning (Ch1)

Plane (Ch1)

Segment (Ch1)

Conclusion you have reached using inductive reasoning.

Is reasoning that is based on patterns you observe.

Is a flat surface that has no thickness.

Is the part of a line consisting of two endpoints and all poi…

Conjecture (Ch1)

Conclusion you have reached using inductive reasoning.

Inductive Reasoning (Ch1)

Is reasoning that is based on patterns you observe.

Congruent

Parallel

Perpendicular

Centroid

To have to exact shape and size

Two lines that continue on and never touch.

Lines that cross one another or are predicted to as they cont…

A point where all lines pass in a triangle.

Congruent

To have to exact shape and size

Parallel

Two lines that continue on and never touch.

Acute Triangle

Adjacent sides

Base

Base Angles

An acute triangle is a triangle with all three angles acute (…

Two lines that meet at a polygon vertex. Usually found in tri…

a base or radix is the number of different digits or combinat…

the base angles have the same degree measure and are, as a re…

Acute Triangle

An acute triangle is a triangle with all three angles acute (…

Adjacent sides

Two lines that meet at a polygon vertex. Usually found in tri…