Question

Find the value of x

Answer 1

= 5.08 units

Explanation:

Using the Cosine rule;

a² = b² + c² - 2bc Cos A

Therefore; to solve for x

x² = 9² + 5² - 2 × 9 × 5 cos 27

x² = 81 + 25 - 90 cos 27

= 25.809

x =√25.809

= 5.08