Question

Find x to the nearest hundredth.

Answer 1

Answer:

23.78

Step-by-step explanation:

CAH

x/25

cos18=x/25

25cos18=x

x=23.78

Answer 2

Answer:

23.78 cm

Step-by-step explanation:

Since, We know that,

In a right angle triangle,

$cos \theta=\frac{B}{H}$

Where, B represents base adjacent to $\theta$

H represents the hypotenuse adjacent to $\theta$

Thus, by the given diagram,

$cos 18^{\circ}=\frac{x}{25}$

$\implies x = 25\times cos 18^{\circ}=23.7764129074\approx 23.78\text{ cm}$

Hence, Last option is correct.