geo vicab unit one

Question 1

point

Answer 1

is a location with no sides, no width, no length

Question 2

line

Answer 2

is strait, extends in both dirrections, that has no end.

Question 3

plane

Answer 3

is flat 2d surface that extends forever

Question 4

ray

Answer 4

part of a line that has a start point but no end point, extends forever in one dirrection

Question 5

collinear

Answer 5

when three or more points are on a strait line

Question 6

coplaner

Answer 6

a set of points, lines, line segmants or geometric shapes that lie on the same plane

Question 7

line segmant

Answer 7

a peice or a part having two end points

Question 8

angle

Answer 8

the figure formed by two rays meeting at a common end point, an angle is represented by the symbol

Question 9

vertex

Answer 9

a point where two or more line segmants meet

Question 10

obtuse angle

Answer 10

more than 90° (right angle)but less than 180° (strait line)

Question 11

acute angle

Answer 11

less than 90° but greater than 0°

Question 12

strait angle

Answer 12

an angle that is 180°

Question 13

right angle

Answer 13

an angle that is 90°

Question 14

perpendicular lines

Answer 14

lines that intresect to form 90° angles

Question 15

suplementary angles

Answer 15

2 or more angles that add up to 180°

Question 16

linear pairs

Answer 16

2 or more angles that have to touch to form 180°

Question 17

vertical angles

Answer 17

are formed by any two intersecting lines , they are congruent