Answer:
84
Step-by-step explanation:
The least common multiple of 4, 6, and 7 is 84
The answer is A. 77.
Using trigonometry formula
We know, tan = opposite/adjacent
So, tan x° = 13/3
=> x° = (13/3)
∴ x° = 77.005° ≈ 77.01°
Hope this helps.
b