math
posted by mota .
the base of the pyramid of Khufu is a
square with side 230m long. calculate
the length of the diagonal of this square. too
the nearest tenth of a meter.
please Explain your answer...

D^2 = 230^2 + 230^2
D^2 = 105800
D = √105800 = 325.26
So to the nearest metre it is 325 m long