A square has a diagonal measuring 19 centimeters in length. Which of the following is closest to the length of each side of the square?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Solve for x where 0 equation: cot^2x+2cotx+1=0

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking