Question

find the length of rectangle which is 5m broadan and has an area 40m
​

Answer 1

area of rectangle=l*b

40m=5m*b

40/5=b

b=8m
area of rectangle =l*b
=5*8
=45m

Answer 2

Let the length be x

Area of rectangle= l*b

40m=x*5m

40m=5xm

x= 40/5

x=8m

Length= 8m