Geomery 1-2 1-7 Test VOCAB

Ray

Part of a lime that contains 1 endpoint. Can have infinite points on one side

line

The intersection of 2 planes. - Straight path in 2 opposite directions

Verticle Angles

Two angles that are oppisite rays think "X"

Degrees

What we measure angles in

bisector

a ray that divides an angle into 2 congruent angles

postulate/axiom

an accepted statement or fact that isn't proven

Midpoint

divides the segment into congruent segments

Acute

greater than 0, but less than 90 are called

obtuse

greater than 90 degrees but less than 180

Point

the intersection of 2 DISTINCT lines. - indicates location no size

oppisite rays

2 rays that share the same endpoints and form a line

Congruent

2 segments which have the same length are ________ segments

plane

A flat surface and has no thickness. No symbol.

Linear Pair

Adjacent angles whos non common sides are oppisite rays

segment

Is part of a line that consists of 2 endpoints and all the points inbetween

complimentary

Measures that are exacly 90 degrees are

Space

The set of all 3 points in 3 dimensions

adjacent angles

To COPLANAR angles with a common side, vortex and no common interior points