Mtch CH 1
Terms
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- midpoint
- in the middle- between two points on a line
- acute
- an angle whose measure is between 0 and 90
- right
- an angle whose measure is 90
- corollary
- a segment that has exactly one point
- theorem
- an angle has exactly one bisector, and it divides an angle directly in half
- interesction
- the point of intersection of two lines ^ is shared
- obtuse
- an angle whose measure is between 90 and 180
- angle
- forms when two rays have the same end point
- distance
- the distance between two points
- adjacent angle
- two angles in a plane that have a common vertex and a common side but no common interier points
- line
- extends without ends
- congruent angles
- andles whose measures are equal
- space
- set of all points
- postulate
- statement about geometry that is accepted without proof
- straight angle
- an angle whose measure is 180
- segment
- part of a line which ends at two points
- coplanar
- points that are on the same plane
- theorems
- mathematical statements that can be proved
- theorem
- all right angles are congruent
- adjacent angles
- have a common vertex, common sides, and no common interier points
- ray
- part of a line which has one end and estends through other points with no end
- collinear
- points that are on the same plane
- congruent segments
- segments are congruent if they have equal measures
- plane
- a flat surface
- bisector
- a line, segment, or ray that intersects the segment at its midpoint
- point
- has no size and indicates position