an exact location in space
What is a point?
two lines that never intersect
What are parallel lines?
the sum of the lengths of the sides of a polygon
What is perimeter?
when a polygon moves up, down, right, left or diagonally in a straight path
What is a translation? (slide)
two shapes that are exactly the same size and shape
What are congruent figures?
made of a series of points that go on and on in both directions
What is a line?
two lines that cross at a point
What are intersecting lines?
the number of square units that cover a polygon
What is area?
when a polygon is moves around a point, much like the hands of a clock move
What is a rotation? (turn)
two figures that are the same shape but different sizes
What are similar shapes?
part of a line that has two endpoints
What is a line segment?
two lines that intersect to form right angles
What are perpendicular lines?
length x width l x w
What is the formula for finding area of a rectangle?
the mirror image of a polygon
What is a reflection? (flip)
a line that cuts a polygon in half leaving two matching pieces
What is a line of symmetry?
has one endpoint and continues on and on in one direction
What is a ray?
a four sided, closed figure
What is a quadrilateral?
figuring the number of feet of fencing to purchase to enclose a backyard
What is perimeter?
90 degrees
What is a right angle?
a ten sided polygon
What is a decagon?
made from two rays that share a common vertex
What is an angle?
a closed figure with at least 3 sides that are straight
What is a polygon?
finding how much carpet to purchase to install in my living room
What is area?
3 equal sides and 3 equal angles each 60 degrees
What is an equilateral triangle?
one hundred eighty degrees
What is a straight angle? (straight line)