Sagot :
Write check if it can be a triangle with the given sides and (x) if it is not.
1) 9, 7, 12. - check
2) 6, 7, 14. - x
6 + 7 < 14
13 < 14 ; not ok
3) 11, 15, 22. - check
4) 1, 3, 5. - x
1 + 3 < 5
4 < 5 ; not ok
5) 7, 10, 16. - check
6) 12, 16, 30 - x
12 + 16 < 30
28 < 30 ; not ok
7) 6, 10, 13 - check
8) 4, 8, 16 - x
4 + 8 < 16
12 < 16 ; not ok
9) 5, 7, 10 - check
10.) 2, 4, 5 - check