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What is the size of angle x in the diagram

What is the size of angle x in the diagram
  • A.
    15o
  • B.
    30o
  • C.
    45o
  • D.
    60o
Correct Answer: Option B
Explanation

(Sintheta^{circ} = frac{opp}{hyp}\
Sin X^{circ}=frac{5}{10}=0.5000\SinX^{circ}\
X^{circ} = sin^{-1}0.5000\
X^{circ}=30^{circ})

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