Module 11 Flashcards
right angle
an angle that measures 90º
x-axis
the horizontal axis on a coordinate plane
y-axis
the vertical axis on a coordinate plane
axes
two perpendicular lines of a coordinate plane that intersect at the origin
polygon
a closed plane figure formed by three or more line segments that intersect only at their endpoints
ordered pair
a pair of numbers that can be used to locate a point on a coordinate plane
quadrant
the x-axis and y-axis divide the coordinate plane into four regions
hexagon
a six-sided polygon
reflection
a transformation of a figure that flips the figure across a line
coordinate plane
a plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis
x-coordinate
the first number in an ordered pair; it represents the distance to move right or left from the origin
vertex
on an angle or polygon, the point where two sides intersect
transformation
a change in the size or position of a figure
right triangle
a triangle containing a right angle
quadrilateral
a polygon with four sides and four angles
