Find the measure of the indicated angle (?) round to the nearest tenth

Answer:
indicated angle = 55.2°
Step-by-step explanation:
Hey there!
Here hypotenuse of 28 and opposite of 23 is given.
Using the sin rule:
[tex]\boxed{sin(a) = \frac{opposite }{hypotenuse} }[/tex]
[tex]sin(a) = \frac{23}{28}[/tex]
[tex]a = sin^{-1}(\frac{23}{28} )[/tex]
[tex]a = 55.2[/tex]
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