Geomatry chpt 1 vocad

Question 1

acute angle

Answer 1

an angle that is greater the 0 degrees and less the 90 degrees

Question 2

adjacent angles

Answer 2

angles that have a common side and common vertex

Question 3

angle

Answer 3

2 rays with a common endpoint

Question 4

angle bisector

Answer 4

a ray that divided an angle into 2 congruent angles

Question 5

collinear points

Answer 5

points that lie on the same line

Question 6

complementary angles

Answer 6

2 angles whose sum is 90 degrees

Question 7

congruent angles

Answer 7

angles that have the same measure

Question 8

congruent segments

Answer 8

segments that have the same length

Question 9

coplanar points

Answer 9

points that lie on the same plane

Question 10

definition

Answer 10

using known words to describe an unknown word

Question 11

line

Answer 11

a one dimensional figure that extends forever in both directions

Question 12

line segment

Answer 12

part of a line with two endpoints
( a line that has a dot on each side)

Question 13

linear pair

Answer 13

2 adjacent angles which form a straight line
( pretty much 2 angles that make a line)

Question 14

midpoint

Answer 14

a point that divides a segment into 2 congruent segments

Question 15

obtuse angle

Answer 15

an angle that measures more than 90 degrees but less than 180 degrees

Question 16

opposite rays

Answer 16

2 rays that have the same endpoint and go in opposite directions

Question 17

plane

Answer 17

a flat surface that extends forever in 4 directions

Question 18

point

Answer 18

a specific location in space

Question 19

postulate

Answer 19

a mathematical statement that is accepted as true without proof

Question 20

ray

Answer 20

a part of a line that starts an endpoint and extends forever in one direction

Question 21

right angle

Answer 21

an angle that measures 90 degrees

Question 22

segment bisector

Answer 22

a line, ray, segment or plane that divides a segment into 2 congruent segments

Question 23

straight angle

Answer 23

an angle that measures 180 degrees

Question 24

supplementary angles

Answer 24

2 angles whose sum is 180 degrees

Question 25

vertical angles

Answer 25

2 angles whose sides form 2 pairs of opposite rays
(pretty much 2 lines crossing over each other and make an x)