Math
posted by Katie .
I need help on this question, I know the answer (or, at least I think I know it), but I can't think of the rest.
Bobby claims that only upright squares can have rational numbers for side lengths. Is he correct? Explain.
I got yes, he is correct, but I can't hink of an explanation besides common sense! Help, please?

What is an upright square?

On a grid, an upright square is a square that is well, upright, on one of its sides, with the sides going along the grid points.
Respond to this Question
Similar Questions

Brain freezer a.k.a. MATH
Please Help! Are all squares similar? I think that they aren't but i'm not sure. I think this because rectangles can be squares and rectangles can take different forms and shapes. Please help What do you mean by square? 
U.S. History to 1865
I think that I have the answer to this question but I am not so sure. My answer is On the principle of first national doctrine but I think that I need to answer more. Here is the question: How might have the Gutierrez map's indication … 
9th grade
Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above my answer a)rational numbers 
Fibonacci Numbers
This is not a test question, but I did not know what the appropriate topic for my question is. If I used the terms 2, 3, 4, 8 consecutive terms of the Fibonacci sequence. "a" is the first and fourth terms and "b" is twice the product … 
Math
Identify all sets to which the number 3 belongs A. Whole numbers, integers, rational numbers B. Rational numbers C. Integers, rational numbers D. Even numbers, whole numbers, integers, rational numbers I THINK IT'S A 
Algebra 1
Which statement about real numbers is true? 
Math: Statistics Least squares line
Find an equation of the least squares line, then use it to complete the table. X 111 169 230 287 335 ? 
Math
Find an Equation for the least squares line then use it to find the missing value. (400, 50) (500, 65) (500, 70) (600, 80) (700, 85) (800, 95) (550, Y) Interpolate I think the least squares line is y= .10538X+ 12.6923 Could someone … 
Chemisty
I do not know how to rank the polarity between these, i have also included the boiling point in degrees C but it still does not help. The only thing that i think is that D is the least polar because it is symmetrical, and i think A … 
Math
Will the values described in each situation be rational or irrational?