Answer:
x = 23.78 cm to the nearest hundredth
Step-by-step explanation:
In a right-angled triangle:
The opposite "O" is the opposite side to the angle
The adjacent side "A" is adjacent side to the angle
The hypotenuse "H" is the long side that joins the 2 legs
For this triangle, we have:
angle = 18°
adjacent (A) = x
hypotensue (H) = 25
So we can use the trig formula:
Therefore,
Multiply both sides by 25: 25 cos(18) = x
Therefore, x = 23.77841291...
So x = 23.78 cm to the nearest hundredth