Answer:


Step-by-step explanation:
In the triangle we have the following trigonometric equations:

and also:

Answer:x equals 4
Step-by-step explanation:
You just divide 3/8= 0.375
Answer:
C = 14 pi inches
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
49 pi = pi r^2
Divide each side by pi
49 pi/pi = pi /pi r^2
49 = r^2
Take the square root of each side
7 = r
The circumference is given by
C = 2 * pi *r
C = 2 * pi *7
C = 14 pi inches