Question

the perimeter of asquare fieldin 8km. find its area in hectares

Answer 1

Perimeter of a square= 4 side
8 km = 4 side
side = 8 km /4
side = 2 km

side = 2 km = 2000 m

Area of square = side × side
= 2000×2000
= 4000000 m sq
10000 m sq = 1 hector
4000000 m sq = 400 hector