C.
Foil method reverses factor
Answer:

Step-by-step explanation:
If we drew an auxiliary line parallel to line
and line
that intersects the vertex of
, we would form three angles, one of them being
The largest of these angles corresponds with the angle marked as
.
The angle on the bottom right corresponds with the angle next to the one marked as
. Therefore, its measure is
.
Since there are
in a circle, we can now write the following equation:
.
The answer is C
Radius is 8.2 and circumference is 51.52
Euro tunnel : - 115 (115 m below sea level of 0)
-115 = S - 50
-115 + 50 = S
- 65 = S....the sea bed is -65 m (or 65 m below sea level
S(p)=D(p)
400-4p+0.00002p4=2,800-0.0012p3
Solve for p
P=96.24