For this case, we have by definition, that an irrational number is a number that can not be expressed as a fraction  , where a and b are integers and b is nonzero.
, where a and b are integers and b is nonzero.
Some examples are:

So, that the answer is 
Answer:
Option C
 
        
             
        
        
        
That is describing a rectangle! The only quadrilaterals with 4 right angles are squares and rectangles. Squares have equal sides but rectangles have one pair of parallel sides that is longer than the other. Hope this helps! If you get more than one answer and see it fit to do so, please mark me Brainliest Answer! Thank you!
        
             
        
        
        
Answer:
0 is the answer
Step-by-step explanation:
 
        
             
        
        
        
3/4 and 6/8 are equal and this is right I believe