Question

What is the relationship between the value of the 4 in the square and the value of the 4 in the circle in the number above?

Answer 1

Answer:

Find the radius of the circle which passes through the origin, (0,4) and (4,0) . (1) 2(2) $4\sqrt{2}$ (3) $\sqrt{8}$(4) $3\sqrt{2}$