Question

3. When each side of a square is reduced by 2 metres the area becomes 64 square metres. Find the side of original square.​

Answer 1

Step-by-step explanation:

let consider each side of square is x

each side of square reduced by 2meters I. e x-2 meters

area of square= side*side

64=(x-2)(x-2)

64=x2-2x-2x+4

64-4= x2-4x

60= x(x-4)

x=60 x-4=60

x=54

each side x-2=54-2=52metr