Answer:
(2) 4, 7, 9; 2, 5, 6; 1, 3, 8
Step-by-step explanation:
Let's group them based on how many lines they have inside the shape...
0 lines: 4, 7, 9
2 lines: 2, 5, 6
3 lines: 1, 3, 8
Therefore the answer is (2) 4, 7, 9; 2, 5, 6; 1, 3, 8
A cross because they are intersecting each other at the center of each line.
If the square is 15 units on each side, then its diagonal would be √(15²)+(15)²=√450=15√2 ☺☺☺☺
You can start by doing 3×3 which is 9 than get the 9 and multiply it by 11 which would be 99
