Lines, Line Segments and Rays
an exact location in space
What is a point?
two lines that never intersect
What are parallel lines?
the total length of the sides surrounding a shape
What is perimeter?
a 90 degree angle
What is a right angle?
A 5 sided figure
What is a pentagon?
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 inside a 2D shape
What is area?
an angle that is less than 90 degrees
What is an acute angle?
a 3D figure without any faces or vertices
What is a sphere?
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?
What is the formula for finding area of a triangle?
an angle that is larger than 90 degrees
What is an obtuse angle?
The shape of a can of soup
What is a cylinder?
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 out the number of feet of fencing to purchase to enclose a backyard
What is perimeter
two shapes that are exactly the same size and shape
What are congruent figures?
a six sided polygon
What is a hexagon?
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?
how to decide how much carpet to purchase to install in my living room
What is area
the lines that cut a polygon in half leaving two matching pieces
What are lines of symmetry?
An eight sided figure
What is an octagon?