Flashcards in Final Vocab Deck (64):

1

## AAS

###
angle angle side

congruence statment for triangles

NOT similarity statement

2

## perp. segment from a vertex to the opposite side

### altitude, points meet at orthocenter

3

## a ray that divides an angle into 2 congruent adjacent angles

### angle bisector

4

##
distance from the center to any sde of the polygon at a perp. angle

height of isos. triangle formed by consecutive radii

### apothem

5

## a portion of the circumference of a circle

### arc

6

## an angle whose vertex is the center of a circle

### central angle

7

## a of rectangle

### bh

8

## a of parallelogram

### bh

9

## a of square

### s squared

10

## a of triangle

### 1/2bh

11

## a of trapezoid

### 1/2h(b1 + b2)

12

## a of rhombus and kite

### 1/2(d1)(d2) d = diameter

13

## ASA

###
angle side angle

congruence statement for triangles

NOT similarity statement

14

## a given point in a circle that has a set of points around it that are equidistant

### center of a circle

15

##
the point of concurrency of the 3 medians of a traingle

balancing point

located 2/3 of the distancce from each vertex to the midpoint of the opposite side

### centroid

16

## a segment whose endpoints are on the circle

### chord

17

## the set of all points in a plane that are equistant from a given point

### circle

18

##
the point of concurrency of the 3 perp. bisectors of a triangle

equidistant from the vertices of the triangle

### circumcenter

19

##
circle that contains all 3 vertices of a triangle

circumcenter is the center of the triangle

### circumcircle

20

## the perimeter of a circle

### circumference

21

## a line ray or segment that is tangent to two coplanar circles

### common tangent

22

## the point of intersection of the lines, rays, or segments in a triangle

### point of concurrency

23

##
adjacent over hypotenuse

trig ratio

### cosine

24

## CPCTC

### corresponding parts of congruent triangles are congruent

25

## solid figure w congruent circles are bases in parallel planes

### cylinder

26

## a chord in a circle that contains the center

### diameter

27

## all angles congruent

### equiangular

28

## all sides congruent

### equilater

29

## HL

###
hypotenuse

proves triangles congruent, NOT similar

30

## SAS

###
side angle side

proves triangles congruent AND similar

31

## SSS

###
side side side

proves triangles congruent AND similar

32

## AA

###
angle angle

proves triangles similar, NOT congruent

33

##
the point of concurrency of the angle bisectors of a triangle

equidistant from the sides of the triangle (at a perp. angle)

### incenter

34

##
an angle whose vertex is on a circle

its sides contain chords of the circle

### inscribed angle

35

## a trapezoid w congruent legs and base angles and diangonals

### isosceles trapezoid

36

##
a quadrilateral w 2 pairs of consecutive congruent sides

one pair of congruent opposite angles

diagonals are perp.

### kite

37

##
a segment joining a vertex and the midpoint of the opposite side

point of concurrency - centroid

### median

38

## point of concurrency of the altitudes of a triangle

### orthocenter

39

##
a quadrilateral w both pairs of opposite sides parallel, congruent

opp angles and sides are congruent

consecutive angles are supp.

diagonals bisect each other

### parallelogram

40

## a segment, ray or line that is perpendicular to a given segment at its midpoint

### perpendicular bisector

41

## the ratio that involves the length of the legs in a right triangle

### tangent (trig ratio)

42

## ratios that involve the length of a leg and the hypotenuse in a right triangle. opposite over hypothenus

###
sine

43

## a parallelogram with 4 congruent side

### rhombus

44

## a paralellogram with 4 right angles

### rectangle

45

## a rectangle with four congruent sides and 4 right angles

### square

46

## a quad with exactly one pair of parallel sides

### trapezoid

47

## a line segment or ray that intersects a circle in 2 points

### secant

48

## a line, seg, or ray that intersects a circle in exactly one pair

### tangent (circles)

49

## the surface of any solid figure found by finding the area and perimeter of abse

### surface area

50

## the number of cubic units contained in a solid figures interior

### volume

51

## a polyhedron whose base is any polygone and whose lateral faces are trinagles with a common vertext

### pyramid

52

## distance around the edge of a shape

### perimeter

53

## point where a tangent intersects a circle

### point of tangency

54

## a^2+b^2=c^2

### pathagoreum theorm

55

## shape with four sides

### quad

56

## a segment whose endpoints are the center and any point on the circle

### radius (circle)

57

## a shape that has 3 or more sides

### polygon

58

## shape that has 3 or more congruent sides

### regular polygon

59

## a polyhedron with 2 congruent faces that lie in parallel planes

### prism

60

## an equation that states thta to rations are equal

### proportion

61

##
30,60,90

45,45,90

### special right triangles

62

## therom used to prove that a triangle is congruent by all sides congruent

### SSS

63

## used to say that 2 shapes are similar by a certain number of things congruent

### similarity statement

64