North-East.
the central region
It does not lie in a region as such. It is one of the four parts making up the United Kingdom, a country.
Pittsburgh
Africa =) :P
In the Northeast and middle Atlantic.
In the Middle Atlantic states.
vertex
Latin America
Leh
The international airport located in Pittsburgh, Pennsylvania is Pittsburgh International Airport (Airport ID: KPIT). It is the most commonly used airport for passenger planes in the Pittsburgh region.
Pittsburgh
No, the region enclosed by a circle is not considered convex because it contains points within the circle that do not lie on the boundary of the circle. In convex regions, any line segment connecting two points inside the region will also lie completely inside the region.