Geometric Figures Flashcards
A location in space, no length, area or volume
Line
Collection of points that extend infinitely in both directions
Line
Collection of points that extends infinitely in one direction
Ray
Section of line with a beginning and end
Line segment
_ are two dimensional shapes
Triangles, squares, rectangle, rhombus, hexagon
* 3 or more straight sides
Polygons
Three dimensional objects
Cubes
Solids
Shape of a flattened solid is called
A net
Sum of all exterior angles in a polygon is
360 degrees
Sum of all interior angles in a polygon is
Equation?
(n-2)x 180 degrees
Number of sides - 2 x 180
Ex: triangle
3 sides - 2 = 1
1 x 180 = 180 degrees
The size of the surface of a 2 dimensional object
How is it measured?
Area
Length times it’s width, measure in square units
Distance around two dimensional figure is called
This can be found by …
Perimeter
Add the lengths of all sides
Surface area can be found by
Adding the area of all sides
area= length x width
Volume =
Measured in _
(Amount of space a 3 dimensional object takes up)
Length x width x height
Cubic units
Circle
Distance from any point to the center _
Distance around the circle_
Largest measurement across the circle _
Radius
Circumference (perimeter)
Diameter
Triangle: the three interior angles always sum to
180 degrees
