Answer:
4418 cm²
Explanation:
The side of the initial square is 45 cm
Since each edge is increased by 1 cm, the new square has a side of:
45 + 1 + 1 = 47 cm
Ar of square= side²
= 47²
= 2209 cm²
Since 2 squares are required for the pillow, the total fabic needed is:
2209 * 2
= 4418 cm²