Answer:
= 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
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