What is the official name of this shape? What is the total of all the angles? If this is a regular polygon, what is the measure of each angle?
What would be the name of a polygon with an interior angles total of 3420[math]^\circ[/math]?
What is the measure of the remaining angle?
What is the measure of exterior angle D?
You decide to build a container in the shape shown in the diagram. You're first milling out a piece of steel in the proper shape. Then you're going to 3D print a frame in the same shape. What angle measurements are you telling the computers to create?