From simple questions to complex issues, IDNLearn.com has the answers you need. Find reliable solutions to your questions quickly and accurately with help from our dedicated community of experts.
Answer:
64 degrees
please mark brainliest
Step-by-step explanation:
[tex] \sin( \alpha ) = \frac{opp}{hyp} \\ \sin( \alpha ) = \frac{9}{10} \\ \alpha = { \sin }^{ - 1} ( \frac{9}{10} ) \\ \alpha = 64.15 \\ \alpha = 64[/tex]