Answer:
The diameter of earth from pole to pole is equal to
miles.
Step-by-step explanation:
The number to which the distance is equivalent is

Thus, the diameter of earth from pole to pole is equal to
miles.
Answer:91
Step-by-step explanation:
If the best grade is 100,91 is it.
The simple closed curve is called the base of the cone, and the fixed noncoplanar point is the vertex. ... Figure %: A right circular cone It is easy to see the close relationship between pyramids and cones. The only difference is the base--a pyramid is a cone with a polygonal base.
Answer:

Step-by-step explanation:
Given:
180°<θ<270° and 
We know for any angle
,

∴