Pi (Greek letter “π”) Pi (Greek letter “π”) is the symbol used in mathematics to represent a constant which is approximately 3.14159. It is the ratio of a circle’s circumference to its diameter. […]

# Tag: English P

## Plus

Plus two plus three is equal to five […]

## Plane, plane shapes

Plane, plane shapes Plane shapes are two-dimensional geometric figures: they have length and width but they have no depth. Plane shapes exist on a flat surface, known as a plane. Here are some plane shapes examples: […]

## Pie graph or chart

Pie graph or chart A pie chart is a type of graph that presents the relationship of different parts a data set. A pie chart is a circular graph, divided into slices (or sections), where each section represents a percentage of the data. Example: A pie chart to show children’s favourite sport. This pie chart represents 50 […]

## Perpendicular

Perpendicular Perpendicular lines are straight lines that form the right angle (90° angle) with each other. See some examples of perpendicular lines, below: […]

## Perimeter

Perimeter The perimeter of a 2D shape is the total length of all its sides. For example, a rectangle has four edges, so its perimeter is the total of those four edges added together. […]

## Percent, percentage

Percent, percentage Percent means “for every 100 parts“. The word comes from the latin phrase per centum which means per one hundred. Percentage means a part per hundred. It can be expressed in decimal form and in fraction form too. A percentage of a number is symbolized by writing: Examples: If we say 30%, it means 30 out […]

## Pentagon

Pentagon A pentagon is a type of polygon that has five sides and five angles. pentagon Different types of pentagones […]

## Pair

Pair A set of two numbers or objects linked in some way, is called a pair. Examples: […]

## Parallel lines

Parallel lines Parallel lines are two or more straight lines that are at equal distance from each other and never meet, even if they are extended infinitely in both directions. Example: Try to find parallel lines in the picture: […]