Question

The length of a hall is 30 m and width is 15 m.The sum of the areas

Answer 1

perimeter of the hall =(30+30+15+15)m
=90m
area of the hall = 30*15m^2
=450m^2

Answer 2

Given,= Length = 30 , Wdth(breath) = 15
Area = l*b
Area = 30*15= ${450}^{2}$