Answer:
8, 10, 14
Step-by-step explanation:
1. 8² + 10² = 164 and 14² = 196, so this works.
2. 9² + 12² = 15² = 225, so this is a right triangle.
3. 10² + 14² = 296 and 17² = 289, so this is an acute triangle.
4. 12² + 15² = 369 and 19² = 361, so this is an acute triangle.
