You need to ask your teacher for any help and to evaluate and double check each step.
I am not to sure but I think that it is 111.804 inches^3 I hope I am right if not I am really sorry.
Answer:
W and Y = 91. X and Z = 89
Step-by-step explanation:
Those two angles will add to 180.
5a - 21 + 3a + 25 = 8a + 4
8a + 4 = 180
8a = 176
176 / 8 = 22 = a
Plug in a for an angle.
3(22) + 25 = 91
180 - 91 = 89
