Geometric Terms
Lines
Angles
100

an exact position 

point

100

lines that never intersect

parallel lines

100

an angle that is exactly 90 degrees

right angle

200

a straight path of points that endless in both directions

line 

200

lines that pass through the same point

intersecting lines

200

an angle that is less than 90 degrees

acute angle

300

a part of a line that has two endpoints

line segment

300

are lines that intersect to form square angles

perpendicular

300

an angle that is more than 90 degrees

obtuse angle

400

part of a line that has one endpoint and continues endlessly 

ray

400

True or False: perpendicular lines can be intersecting lines

True

400

the point of an angle where two rays meet

vertex

M
e
n
u