Find the circumstances of the circle the radius of the circle is 3.5 use 3.14 for pi

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

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.

What is the answer to the question 5x+2x