Answer:
20
Step-by-step explanation:
To find Hypotenuse: Pythagorean Theroem
a^2+ b^2= c^2
The legs are A and B
The side that is directly across from the Right angle is C
12^2 + 16^2 =C^2
144+256=400
400 = c^2
Square root on both sides to get rid of c^2
The square root of 400 is 20
c=20
The correct option is: 53.9°
<em><u>Explanation</u></em>
According to the below diagram,
is acute triangle, in which
and 
If we <u>apply cosine rule</u> here, then we will get.....

Now, plugging the given values, we will get....

So, the measure of
is 53.9°
Step-by-step explanation:
Equation of a circle is:
(x − h)² + (y − k)² = r²
where (h, k) is the center and r is the radius.
So in this case, the center is (2, -3) and the radius is 4/3.