The area of the Square field is 1/2 of hectare. Find the length of its diagonal in metres. plz, explain......... Share with your friends Share 7 Varun.Rawat answered this Let the length of each side of square = sNow, area of square = 0.5 ha = 5000 m2 as 1 ha = 10000 m2Now, s2 = 5000⇒s = 5000 = 502 mNow, length of the diagonal = 2s = 50×2×2 = 100 m 3 View Full Answer Arnav Sinha answered this 1 HECTARE = 10,000 m1/2 HECTARE = 5000 mSIDE OF SQUARE = sqrt (5000)SIDE OF SQUARE = 70.71 mBY PYTHAGORAS THEOREM, H2 = B2 + P2 H2 = 70.712+70.712H2 = 141.422 H = sqrt (141.422) H = 141.42 3