Honors Geometry Exam

Question 1

Undefined terms

Answer 1

point, line and plain

Question 2

Colinear points

Answer 2

all in one line

Question 3

Coplanar points

Answer 3

all in one plain

Question 4

segment

Answer 4

consists of the endpoints and all points in between

Question 5

ray

Answer 5

consists of a segment and all points, beyond one endpoint

Question 6

opposite rays

Answer 6

rays such that the endpoint is between other named points

Question 7

know segment addition postulate

Question 8

congruent

Answer 8

objects that have the same size and shape

Question 9

midpoint of a segment

Answer 9

the point that divided the segment into two congruent segments

Question 10

bisector of a segment

Answer 10

a line, segment, ray, or plane that intersects segment at its midpoint

Question 11

angle

Answer 11

a afigure form by two rays that have the same endpoint

Question 12

sides

Answer 12

the two rays that form the angle

Question 13

vertex

Answer 13

common endpoint of rays that from angle

Question 14

Actue

Answer 14

0-90

Question 15

right

Answer 15

90

Question 16

obtuse

Answer 16

90-180

Question 17

straight

Answer 17

180

Question 18

angle addition postulate

Question 19

complementary angles

Answer 19

two angles whose measures have the sum 90. Each angle complements the other

Question 20

supplementary angles

Answer 20

two angles whose measures have the sum of 180. Each angle supplements each other

Question 21

vertical angles

Question 22

are vertical angles congruent

Answer 22

yes

Question 23

perpendicular lines

Answer 23

two lines that intersect to from right angles

Question 24

parallel lines

Answer 24

coplanar lines that never intersect

Question 25

skew lines

Answer 25

non coplanar, non-intersecting lines

Question 26

transversal

Answer 26

a line that intersect two or more coplanar lines in different points

Question 27

alternate interior angles

Answer 27

two non adjacent interior angles on opposite sides of a transversal

Question 28

same side interior angles

Answer 28

two interior angles on the same side of a transversal

Question 29

corresponding angles

Answer 29

two angels in corresponding positions relative to the two lines

Question 30

scalene triangle

Answer 30

no congruent sides

Question 31

isosceles triangle

Answer 31

at least two congruent sides

Question 32

equilateral triangle

Answer 32

all sides congruent

Question 33

acute triangle

Answer 33

all acute angles

Question 34

right triangle

Answer 34

one right angle

Question 35

obtuse triangles

Answer 35

one obtuse angle

Question 36

equiangular triangle

Answer 36

all angles congruent

Question 37

regular polygon

Answer 37

both equilateral and equiangular

Question 38

Four ways to prove triangles are congruent

Answer 38

SSS SAS ASA AAS

Question 39

four ways to prove triangles are congruent with right angles

Answer 39

HL LL HA LA

Question 40

parallelgram

Answer 40

a quadrilateral with both pair of opposite sides parallel

Question 41

rectangle

Answer 41

a quadrilateral with four right angles

Question 42

rhombus

Answer 42

a quadrilateral with four congruent sides

Question 43

Trapezoid

Answer 43

a quadrilateral with exactly one pair of parallel sides

Question 44

isosceles trapezoid

Answer 44

trapezoid with congruent legs

Question 45

statment converse inverse contrapostive

Answer 45

If p then q If q then p if not p then not q If not q then not p

Question 46

How do you write an indirect proof

Answer 46

Assume... the opposite of what you are trying to prove. Then... reason logically. But... reach a conclusion that contradicts the given. So... assumption is false and what we wanted to prove must be true.

Question 47

ratio

Answer 47

the ratio of one number to another is the quotient of the the first divided by the second. a:b is read as a to b and is used to show a ratio

Question 48

proportion

Answer 48

an equation that states two ratios are equal

Question 49

similar

Answer 49

corresponding angles are congruent and corresponding sides are in proportion

Question 50

four parts of the mathematical system

Answer 50

undefined terms, defined terms, postulates, and theorems

Question 51

definition of CPCTC

Answer 51

corresponding parts of congruent triangles are congruent

Question 52

five parts of a proof (proving things like parallel lines)

Answer 52

Given, find three congruent parts of the triangle, prove triangles are congruent (SAS, SSS....), CPCTC, use CPCTC to prove things like parallel lines.

Question 53

five parts of a proof

Answer 53

statement of the theorem a diagram that illustrates the given info a list, in terms of the figure, of what is given a list, in terms of the figure, of what you are trying to prove a series of statements and reasons that lead from given info to that statement the is to be proved