A square, triangle, and circle are all examples of a 2D shape. However, a three-dimensional (3D) shape has three measurements, such as length, width, and height. One example of a 3D shape is a rectangular prism, which is made up of four rectangles and two squares.

A polygon is a plane (2D) shape with straight sides….2D Shapes.

2-dimensional (2D) shapes have only two dimensions, length and width . A polygon is a closed 2D shape with straight sides. Polygons are named depending on the number of sides: Triangle (3 sides) Quadrilateral (4 sides)

A one-dimensional array is a list of variables with the same data type, whereas the two-Dimensional array is ‘array of arrays’ having similar data types. A specific element in an array is accessed by a particular index of that array.

A Frequency distribution can be shown graphically by using different types of graphs and Histogram is one among them….Difference Between Histogram And Bar Graph.

Types of Diagrams 1) One-dimensional diagrams e.g. bar diagrams 2) Two-dimensional diagrams e.g. rectangles, squares and circles 3) Pictograms and cartograms 1) One Dimensional diagrams (Bar charts) – Data is presented by a series of bars.

Circular diagram is not a two-dimensional diagram. A circular diagram is the simplest diagram in economics.

Bar diagrams are the most common type of diagrams used in practice. They are called one-dimensional because it is only the length of the bar that matters and not the width. When the number of items is large, lines may be drawn instead of bars to economise space.

{◆Bit info●}-A pie diagram represents area (parts of a circle are used to represent different things). Thus it is two-dimensional.

Rectangles, squares and circles with area proportional to the observations are used to represent each category of these, circles are most commonly used. Such diagrams are called pie – diagrams. An example of a pie – chart is: Hence, the two-dimensional diagram is the Pie chart.

A histogram is a visual representation of data using a set of vertical rectangles representing class frequencies. It is a graph and not a diagram. This is because it is a two-dimensional graph of frequency distribution that emphasises both the lengths and widths of the rectangles.

A pie chart can have one dimension and up to two measures. The first measure is used to determine the angle of each slice in the chart. Sales per region in a pie chart. Optionally, a second measure can be used to determine the radius of each pie slice.

Bar diagram is one dimensional.

Mode. The mode in a list of numbers is the number that occurs most often, if there is one.