Partly.
half circle
The curved outer surface of a circle is the perimeter.
To draw a hemisphere, start by drawing a circle. Then, draw a curved line cutting the circle in half vertically. This line represents the hemisphere's cut surface. Finally, shade one half of the circle to show the curved surface of the hemisphere.
A hemisphere is a half-sphere, having a curved surface that is half of a sphere. It is a three-dimensional shape with a round, convex surface and a flat base.
circle
That sounds like a cone. One surface is a circle and the other surface is curved.
A circle or a sphere.
In a way, it has a curved half and a straight half.
circle and a curved surface
Circle
semi-circle
A cylinder. Also, howsabout a hemisphere ?