Question

find the length of diagonal of a square field whose area is 0.5 hectare

Answer 1

Area= 0.5hm²=5000m²
Area=Side²=5000
Side=√5000
=50√2m =70.7m
Length of diagonal=√[(50√2)²+(50√2)²]
=√(5000+5000)
=√10000 =100m