For this case we have that by definition, the perimeter of a circle is given by:

Where:
r: It is the radius of the circle.
According to the figure, it is observed that the radius of the circle is 2. Then:

Let's remember that we have a quarter circle:

We round and we have that the correct option is 
Answer:
Option A
The attached figure is the image that completes the question
Answer:
yes they are.
Step-by-step explanation:
if you were to divide the numbers in the first triangle by 2.5 you would get the numbers of the other triangles and vice versa for the other triangle
Y = |x| translated 1 unit left and 2 units up gives the equation
y = |x + 1| + 2
Answer:
4
Step-by-step explanation:
2+2=4
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300000000+40000000+7000000+300000+10000+600+20+9 I think is right answer