Irregular shapes are made up of regular ones; add them together.
Use a protractor
An irregular pentagon.An irregular pentagon.An irregular pentagon.An irregular pentagon.
An irregular pentagon.
A shape in which every line/edge is not the same length OR A shape in which every angle is not equal
The Octagon is a regular shape if all the sides and all of the interior angle s are equal. If the sides and or angles are different the shape is irregular. However, even irregular octagons can have an axis of symmetry.
Find the length and width of the shape
Irregular Rhombus
An irregular pentagon.
A concave pentagon.
an "irregular pentagon"
It can be an irregular quadrilateral, or a kite or arrowhead.
The best way to find the volume of an irregular shape is to split it up into shapes that you know, find the volumes of those individual pieces, and then add up all of the volumes of the split pieces to get your total volume of the irregular shape.