a polygon
it's called a face
The area covered by an enclosed figure
Surface of a sphere
A polygon is a plane figure with 3 or more straight sides and angles. A plane figure is a flat enclosed figure made of straight lines, curved lines, or both.
a polygon
a ruler
area
A polygon.
The answer is Area. The answer is Area.
If the lines are straight then it IS a triangle.
A polygon. E.g triangles , sqares ,pentagon .
The flat surface of a solid figure is called a face. For example, a rectangular prism has 6 flat surfaces and therefore 6 faces.
A plane figure.
isn't it called face?
The solid enclosed by this surface and by two planes perpendicular to the axis is also called a cylinder.
A plane