Math Vocab
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20 Terms
Acute
less than 90 degrees
right
90 degrees angle
obtuse
bigger than 90 degrees
Straight line
180 degrees
complementry
two angles that add up to 90 degrees
Supplementry
two angles that add up to 180 degrees
Triangle Sum Theorem
The sum of the measures of the interior angles of a triangle is 180 degrees
vertical
A pair of opposite congruent angles formed by intersecting lines
collinear
points that lie on the same line
midpoint
A point that divides a segment into two congruent segments
bisector
a ray that divides an angle into two congruent angles
point
location
line
infinite set of points
segment
part of a line with two endpoints
ray
A part of a line, with one endpoint, that continues without end in one direction
angle
A figure formed by two rays with a common endpoint
perpenducular
lines/rays/segments that ∩ to form a right angle
congruent
Having the same size and line
Ajacent angles
Angles in the same plane that have a common vertex and a common side
linear pairs
a pair of adjacent angles whose non-common sides are opposite rays