Answer:
4, 5 and 27
Step-by-step explanation:
multiple of 20
1, 2, 4, 5, 10, 20
3^(3)= 27
5+ 4 + 27 =36
It would be: 360- (101+133+76)
360-310 = 50 degree
Call the short side x. We have
tan 72° = opposite/adjacent = (12.8 cm) / x
x = 12.8 / tan 72° = 12.8/(3.01) = 4.158...
Answer: 4.2 cm