Question

5 square floor beds each of the sides 1 m a dog on a piece of land 5 M long and 4 m wide what is the area of remaining part of the land

Answer 1

Area of rectangle =l*b=5*4=20m2
Area of square =a2=1*1=1m2
Area of 5 square =1*5=5m2
Area of remaining part =20-5=15m2