Answer:
c
Step-by-step explanation:
sorry if wrong
Square of longest side = 17^2 = 289
15^2 = 225
13^2 = 169
total 394 289 is less than this so its acute
0 because 0 times anything is 0
12.6 repeating is the equivalent of 12.666666666666 and so on but if you rounded, it would be 12.67. So, compare 12.67 and 12.63. 12.67 is larger.
2,3,8
2,8,3
3,8,2
3,2,8
8,2,3
8,3,2
6 triangles.
