Geometry Flashcards
perpendicular lines
two lines that intersect to form four right angles.
rectangle
a quadrilateral with two pairs of parallel sides, two pairs of sides of equal length, and four right angles
rhombus
A quadrilateral with two pairs of parallel sides and four sides of equal length
point
an exact location in space
right angle
an angle that forms a square corner
square
a quadrilateral with two pairs of parallel sides, and four sides, and four right angles
straight angle
an angle whose measure is 180 degrees
trapezoid
A quadrilateral with at least one pair of parallel sides
acute angle
an angle that measures less than 90 degrees
intersecting lines
lines that cross each other at exactly one point
obtuse angle
an angle that measures greater than 90
parallel lines
lines in the same plane that never intersect and are always the same distance apart
line segment
a part of a line that includes two points called endpoints and all the points between them
line
a straight path of points that continues without end in both direction with no endpoints
