Lines
Perpendicular Lines
What are lines that intersect to form right angles?
Straight Angle
What is an angle that measures 180 degrees?
What is a rule stating that if there three sides of one triangle are congruent to three sides of another triangle are congruent
What is the side-side-side rule
A Rectangle with four congruent sides
What is a square
A Triangle containing a right angle?
What is a Right Triangle
Ray
What is a part of a line that starts at one endpoint and extends forever?
on a angle or polygon, the point where two sides intersect
What is a vertex?
Plane
What is a flat surface that extends forever?
A Parallelogram with 4 right angles
What is a Rectangle
A triangle with no congruent sides
What is a Scalene Triangle
Radius
What is a line segment with one endpoint at the center of a circle and the other endpoint on the circle, or the length of that line segment?
Vertical angles
What is a pair of opposite congruent angles formed by intersecting?
Point
What is an exact location in space?
A parallelogram with all four right angles
What is a Rhombus
a transformation of a figure that flips the figure across a line
What is reflection?
What is a movement of a figure along a straight line?
What is a translation
Right angle
What is an angle that measures 90 degrees?
a transformation in which the figure is turned around a point
What is a rotation?
Trapezoid
What is a quadrilateral with exactly one pair of parallel sides?
a region enclosed by two radii and the arc joining their endpoints
What is a sector?
Skew Lines
What are lines that lie in different planes that are neither parallel nor intersecting?
Supplementary angle
What are two angles whose measures have a sum of 180 degrees?
What is a figure that can be rotated less than 360 degrees around a central point and coincide with the original figure?
What is Rotational symmetry
A polygon with congruent sides and angles
What is a regular polygon?
a change in or orientation of a figure
What is transformation?