Inertia. Inertia is the natural tendency of bodies to remain in their states of either rectilinear or resting motion.
 
        
             
        
        
        
I was hoping that some choices would be given to choose from. As there are no choices given, so i am answering the question based on my knowledge and hope that it comes to your help. Calcium hydroxide is a good example of Arrhenius base. An Arrhenius base is actually a substance that releases a hydroxyl ion in water.
        
             
        
        
        
When you have the bottom measurement of the triangle (base) and the height of the triangle in the center, you multiply them together and then divide by 2.
~Do you need more explaining~?
        
             
        
        
        
S2F6, is the correct answer I believe!