type shi 1 vocab

line line segment ray

what do they look like?/what called

plane

2d surface

congruent

sameshape/same size

noncollinear points

cannot be from same line (has to be inside plane

co linear

same line

co planar

same plane

line intersects other line wat do u call that spot?

lines cross at point

midpoint

exactmiddle splits it in half

bisector

cuts something in half evently

angle parts and naming em

ray (side) vertex

<acb <bca <c

acute

less than 90

obtuse

more than 90

right

90

straight

180

complimentary

2 add up to 90

supplementary

2 add up to 180

adjecent angles

share a vrtx and a ray

linear pair

adjacent angles that form a straight line

Vertical angles

right opposite from eachother = angle