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Details

Geometry
Chapter 1
20
Mathematics
10th Grade
01/09/2010

Additional Mathematics Flashcards

 


 

Cards

Term
point[image]
Definition

location; has no depth or width

 

- name using a single capital letter

Term

line

[image]

Definition

series of points that extends in two opposite directions without end

 

Name:

 1) two capital letters

2) one lower case cursive letter

 

Term
collinear points
Definition
points that are on the same line
Term

plane

[image]

Definition

flat surface with no thickness

 

NAME:

1) three noncollinear points

2) single capital letter

Term
coplanar
Definition
points and lines in the same plane are coplanar
Term

segment

[image]

Definition

part of a line consisting of two endpoints and all points between

 

NAME:

1) two capital letters

Term

ray

[image]

Definition

part of a line consisting of one endpoint and all points of the line going in one direction

 

NAME:

1) two capital letters

 * must start with endpoint

Term

opposite rays

[image]

Definition

two collinear rays with the same endpoint

 

* form a line

Term

parallel lines

[image]

Definition

coplanar lines that do not intersect

 

* equal slopes

Term

skew lines

[image]

Definition
NONCOPLANAR lines that do not intersect and are not parallel
Term

midpoint

[image]

Definition
point that divides a segment into 2 congruent parts
Term

angle

 

Definition

formed by two rays with the same endpoint

 

NAME:

1) one letter - VERTEX

2) 3 letters - VERTEX in middle

3) a number

Term
Types of Angles
Definition

acute - less than 90

right = 90 (must have box)

obtuse - greater than 90

straight = 180

Term

perpendicular lines

[image]

Definition

two lines that intersect to form right angles

 

* slopes = negative reciprocals (flip and change)

 

 

Term

perpendicular bisector

[image]

Definition
line, segment, or ray that is perpendicular to a segment at its midpoint
Term
distance formula
Definition
[image]
Term
midpoint formula
Definition
[image]
Term
Perimeter Formulas
Definition

Rectangle - 2l + 2w

Square - 4s

circle (circumference) πd or 2πr

Term
Area Formulas
Definition

Rectangle - lw or bh

Square - s2

Circle - πr2

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