There seem to be lots of answers to this question, all saying cone.
What about the poor lonely sphere? Split it in two by anyintersection with a plane and each piece will fit the question.
a cone...
An empty cone (like an ice-cream cone) doesn't have any flat surfaces. It has two curved surfaces, one outside and one inside. A solid cone has a flat base, and one other curved surface.
Yes, a shape can have three straight sides and one curved side. This type of shape is known as a triangle with one curved side, which is also called a curved triangle or a curved-sided triangle. The curved side can be a segment of a circle or any other curved shape, while the other three sides are straight lines.
A circle is a two-dimensional shape that consists of all points equidistant from a central point, forming a closed curve. A cylinder, on the other hand, is a three-dimensional shape that has two parallel circular bases connected by a curved surface. In essence, a cylinder can be thought of as a stack of circles along a common central axis, adding a dimension to the geometric figure.
A semi-circle is actually a specific type of shape known as a "regular" shape. A regular shape is one that has all sides and angles equal. In the case of a semi-circle, it has a curved side and a straight side, but the curved side is a perfectly round half-circle, making it a regular shape. Irregular shapes, on the other hand, do not have sides or angles that are equal.
a coneType your answer here...
Cone
a cone...
That sounds like a cone. One surface is a circle and the other surface is curved.
I may be the upper or lower half of any oblate or prolate spheroid.You'll never know.bwahahaha
A cross section of an ellipsoid or sphere. A cone. A [right] truncated paraboloid (like the reflector of a car headlight). There are several others.
A riddle is: I am a polyhedron I have two surfaces one of my surfaces is formed by a circle the other face is curved what am I?
The term "circonfence" is likely a misspelling of the word "circumference," which refers to the distance around the edge of a circle or any other curved geometric shape. It is calculated by multiplying the diameter of the circle by pi (π).
All geometric shapes can be inscribed in a circle, since the circle is bigger than the other geometric shape inscribed in it. (Obviously)
a circle has no face a sphere on the other hand does
If you're talking about the 4th grade Study Link 11.3 "Geometry Riddles" these are the answers: 1. I am a geometric solid. I have two surfaces. One of my surfaces is formed by a circle. The other surface is curved. What am I? Answer: Cone 2. I am a geometric solid. I have one square base. I have four triangular faces. Some Egyptian pharaohs were buried in tombs shaped like me. What am I? Answer: Square Pyramid 3. I am a polyhedron...( it's taking to long to type I'm going to just right the answers now) Answer: Hexagonal Prism 4. Answer: Octahedron Umm... those are the answers...bye!
a straight line and a circle