Question

perimeter of square piece of land is 64 m find cost of laying lawn on the land at the cost of 25per m2

Answer 1

perimeter of square = 4(side)
64m. =4x
64/4=x
16m =x
area=(side) (side)
=(16)(16)
=256m²

cost=25 per m²
=(256)(25)
=6400

Answer 2

Perimeter /2 = side
64 m/2=side , so side is 32 m
Area of square=32m×32m= 1024 m^2
Cost of per sq m= Rs 25
cost of 1024 sq m = Rs 25 ×1024= Rs 25600
Hope it helped ☺