When each side of a square is reduced by 3 metres the area becomes 81 squaremetres find the side of the orginal square
Answers
Answered by
1
Answer: 144 cm square
Step-by-step explanation:
(x-3)^2 = 81
x-3 = 9
x = 12
area of original square = x^2
12 x 12 = 144 cm square
Similar questions