Answer :

tramserran

Answer:  x = 23.5 cm

Step-by-step explanation:

Use the law of Cosines: a² = b² + c² - 2bc · cos A

Given: A = 63°, a = x, b = 16, c = 26

x² = (16)² + (26)² - 2(16)(26) · cos(63°)

x² = 554.1316

x = 23.54

x ≈ 23.5

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