Question

madhus Garden is now a square if she enlarge it by increasing the with 1 m and the length by 3 metres the area will be 19 square more than the present area what is the length is right now

Answer 1

aXa + 19 = ( a+3) ( a+1)
a^2 X 19 = a^2 + 4a +3
16 = 4a
a = 4

a X a = 16
so the area = 16 m^2