B. 2 I believe that’s right
Answer:

Step-by-step explanation:
we know that

In this problem we have

substitute the given value in the formula and solve for F




Answer:
Step-by-step explanation:
(1). A = π r²
A = 4 π
Area of shaded region is
=
or
(2). C = 4 π
In this case, the length of the bigger arc and the area of shaded region happen to be the same.
The length of the arc ADB is
or
Deficient
ff f f f f f f f f f f f f f ff f f ff f f f f f