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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

rhombus, rectangle, sqaure

special types of parralelograms