unit 1

Question 1

congruent by

Answer 1

identical in size and shape

Question 2

line

Answer 2

a straight continuous arrangement of infinitely many points. has infinite length & no thickness. its named by giving letter names 2 any 2 points.
<——-

Question 3

postulate

Answer 3

a statement accepted as true w/o proof

Question 4

incongruent

Answer 4

not the same size or shape

Question 5

point

Answer 5

has no size, length, width & no thickness. used to represent a location

Question 6

ray

Answer 6

begins at one endpoint & extends infinitely in one direction
——->

Question 7

length (measure)

Answer 7

distance

Question 8

line segment

Answer 8

part of a line that consists of 2 endpoints, which prevents the line from extending forever
•———–•
A. B

Question 9

circle

Answer 9

the set of all points equidistant from a central point

Question 10

radius

Answer 10

the distance between the center of a circle & any point on the circumference

Question 11

midpoint

Answer 11

the point on a segment that is equidistant from both endpoints

Question 12

straightedge

Answer 12

tool used 2 draw a straight line, doesnt need to have measurements

Question 13

coplanar

Answer 13

when points & lines exist in the same plane

Question 14

partition

Answer 14

2 seperate/divide a segment into a given ratio

Question 15

equidistant

Answer 15

equal length, equal distance

Question 16

segment addition

Answer 16

a statement that allows us 2 combine 2 segments 2 form a longer segment

Question 17

construction

Answer 17

a geometric figure made with a straightedge & compass

Question 18

plane

Answer 18

a flat surface that extends infinitely along its length & width, has no thickness

Question 19

center point

Answer 19

the point inside a circle that is equidistant from all the points on a circle

Question 20

bisect

Answer 20

to cut/divide into 2 equal parts

Question 21

compass

Answer 21

a tool used 2 construct circles and arcs

Question 22

collinear

Answer 22

when 3 or more points r on the same line

Question 23

perpendicular

Answer 23

2 lines that intersect 2 form a right angle

Question 24

arc

Answer 24

a fraction of a circles circumference