# Construction 1

**Algebra**Level 3

A | B | C

D | E | F

G | H | I

In a magic square of order 3, what is the sum of the numbers at the corners of this square (labelled by the letters \(A, C, G, I\) as shown above)?

**Note:** This problem is part of the set Magic Squares Mania. The same question is asked for magic squares of order 4. To see it, click here.