The simplest (and most commonly used) area calculations are for squares and rectangles. To find the areaof a rectangle multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself tofind the area.
        
             
        
        
        
That equal 1 because they are the same
        
                    
             
        
        
        
Answer:
-3 3/7
Step-by-step explanation:
Hope this helps!:)