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

2 because you do what is in parenthesis first :)
Answer:
rotation
Step-by-step explanation:
because the earth rotates
Answer:
A) 150
Step-by-step explanation:
All the angles in a triangle must add up to a total of 180 degrees.
So we can make an equation as given below:
20+10+?=180
30+?=180
?=150
So the missing angle is 150 degrees
Answer:
yaah then bailey has fun with her
Step-by-step explanation: