What does a standard deviation of 0 indicates 0.
The formula of an area of a circle:

r - a radius
We have r = 14m. Substitute:

If you want an approximate area, you can accept 
Then:

Answer:
You find it by finding the dimensions of the X up and down, and Y left and right
Step-by-step explanation:
Angle x = 30 degrees
Angle y= 100 degrees
Angle z = 50 degrees
Sum of the angles = 180 degrees
-6x+3 u have to add same integers and subtract different integers