Math

Given; a=2.52, c=4.75 find the remaining parts of the right triangle.
I found b which equals 4.03 but need help with the angle. We already know that one angle = 90 since its a right triangle. I just need to know angle A.
Angle A =

a)58 degrees
b)32 degrees
c)28 degrees
d)62 degrees

Would the law of sines help, if you know one angle?

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