Answer:

Step-by-step explanation:
<u><em>The correct question is</em></u>
If b = 9 and c = 13, what is the measure of ∠A? (round to the nearest tenth of a degree)
The picture in the attached figure
we know that
In the right triangle ABC
---> by CAH (adjacent side divided by the hypotenuse)
substitute the given values

using a calculator

Y=1
x=50 y=5 50 is 10 times more than 5, the proportion is x is 10 times more, so you always divided 10 from x
^ means to the power of or exponent
logb(x) = y is b^y = x
Answer: igewuuuuuuuuuuuuuuuuuuuuuuuuudh.j
Step-by-step explanation: