Answer:
CRT = 18
TRV = 72
V = 18
see attachment
Step-by-step explanation:
CRT = 90 - C = 90 - 72 = 18
TRV = 90 - CRT = 90 - 18 = 72
V = 90 - C = 90 - 72 = 18
RTC =TUS = SXW
1/9
1/9 is a fraction, so it is rational.
Order 2.
I think it is (x^2+9) x (x-1) x (x+1)
(not sure if right but had a go)
