Question

please heellllpppp ....​

Answer 1

Answer:

x ≈ 2.3 cm

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos55° = $\frac{adjacent}{hypotenuse}$ = $\frac{x}{4}$ ( multiply both sides by 4 )

4 × cos55° = x , thus

x ≈ 2.3 cm ( to 1 dec. place )