What is the size of angle x in the diagram
Attached Figure / Diagram
A
15o
B
30o
C
45o
D
60o
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
\(Sin\theta^{\circ} = \frac{opp}{hyp}\\
Sin X^{\circ}=\frac{5}{10}=0.5000\\SinX^{\circ}\\
X^{\circ} = sin^{-1}0.5000\\
X^{\circ}=30^{\circ}\)
Source: Myschool Past Questions Archive (Record #26590)