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Using \(\bigtriangleup\)XYZ in the figure, find XYZ



Using \(\bigtriangleup\)XYZ in the figure, find XYZ
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 29o
  • B 31o
  • C 31o 20'
  • D 31o 18'
Correct Answer: Option D
Explanation:
\(\frac{\sin y}{3} = \frac{\sin 120^o}{5}\)

sin 120o = sin 60o

5 sin y = 3 sin 60o

sin y = \(\frac{3 \sin 60^o}{5}\)

\(\frac{3 \times 0.866}{5}\)

= \(\frac{2.598}{5}\)

y = sin-1 0.5196 = 30o 18'

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