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How many faces do a rectangle have?
One - a rectangle is a flat shape - not a three dimensional object !
Which term describes each flat surface of a 3-dimensional figure?
Each flat surface is a face
Why are the flat surfaces on rectangular prisms called faces?
The flat surface of any three dimensional object is called a face; a prism is a three dimensional object.A tetrahedron has 4 faces, a cube has 6 faces, an octahedron has 8 faces, etc.
Is a cylinder a polygon?
No, a cylinder is not a polygon. It is not a polygon because it has curved sides. In order to be considered a polygon, it would need to have flat sides. Also, a polygon is a 2 dimensional shape but a cylinder is a three dimensional shape.
What is the difference between a circle and a sphere?
A circle is two dimensional; a sphere is three dimensionalAnswerA circle is a simple shape consisting of points in a plane (flat surface) which are equidistant from a given point called the center. A sphere is a perfectly round geometrical object in three-dimensional space, such as the shape of a round ball. Like a circle in three dimensions, a perfect sphere is completely symmetrical around its center, with all points on the surface lying the same distance r from the center point.
