#### 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 defin…

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

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

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

Line Segment

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

Parallel

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

Polygon Sum Formula (variable "n")

What is the sum of the exterior angles…

What is the sum of the angles of a deca…

What is the measure of an angle in a re…

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

Inductive reasoning

Conjecture

Counterexample

Conditional Statement

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

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

A specific case for which the conjecture is false.

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

Inductive reasoning

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

Conjecture

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

Adjacent Angles

Vertical Angles

Complementary Angles

Supplementary Angles

Two angles that share a common side and have the same vertex

A pair of opposite congruent angles formed by intersecting lin…

Two angles whose sum is 90 degrees

Two angles whose sum is 180 degrees

Adjacent Angles

Two angles that share a common side and have the same vertex

Vertical Angles

A pair of opposite congruent angles formed by intersecting lin…

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 exactl…

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

Through any three noncollinear points there is exactly one pla…

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 exactl…

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 same…

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 same…

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 plane…

on the same line

Point

a location with no size or dimension

Line

A straight contiuously forever exsiting amount of points that…

trapezoid

trapezoid

isosceles trapezoid

isosceles trapezoid

a quadrilateral with exactly one only of parallel sides

midsegment is parallel to the bases and half the sum of the ba…

each pair of bases angles is congruent

diagonals are congruent

trapezoid

a quadrilateral with exactly one only of parallel sides

trapezoid

midsegment is parallel to the bases and half the sum of the ba…

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 + mBOC…

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 the…

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 the…

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 r…

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 le…

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

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

Square

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

Rectangle

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

Adjacent Angles

Congruent Angles

Vertical Angles

Angle

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

Have the same measure.

The nonadjacent angles formed by two intersecting lines. Verti…

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

Adjacent Angles

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

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 poin…

Conjecture (Ch1)

Conclusion you have reached using inductive reasoning.

Inductive Reasoning (Ch1)

Is reasoning that is based on patterns you observe.

The equation for the volume of a cone is

Dilation

Alternate interior angles states

Diameter is when

V=(πr^2h)/3... r = radius of object ... h = height of object

When you CHANGE the size or length of an object , if this acti…

when two parallel lines are cut by a transversal , the resulti…

a straight line passing from side to side through the center o…

The equation for the volume of a cone is

V=(πr^2h)/3... r = radius of object ... h = height of object

Dilation

When you CHANGE the size or length of an object , if this acti…