1 i) Consider a triangle ABC shown below. If angle LA = 3r and _C = 2x then find the value of z.

Answer:
i don't know if this is what you're asking but here you go
Step-by-step explanation:
90 + 3x + 2x = 180
90 + 5x = 180
- 90 - 90
5x = 90
/ 5 / 5
x = 18