What is the surface area of a cylinder with a radius of 4 and height of 11

note: answer must not be fraction or decimal

The equation respenting the left table is

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry.how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.

Which best explains why this triangle is or is not a right triangle ?