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: Estonian P

## Units of distance

Units of distance Distance measures length. For example, the distance of a road is how long the road is. In the metric system of measurement, the most common units of distance are millimeters, centimeters, meters, and kilometers. The parsec is the biggest unit of distance that is used to measure the distance between the astronomical objects that […]

## Units of area

Units of area The units of area could be small or large units depending on the object that we measure. The common metric measurements for area are square centimeter, square meter and hectare (1 hectare =10,000 square meters). Areas of glass panes are measured in square centimeters. Building and floor areas are measured in square meters. […]

## 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 […]

## 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: […]

## Odd number

Odd number […]

## Pyramid

Pyramid The pyramid is a three-dimensional figure with several flat faces that consists of: Base: A simple polygon located at the bottom of the pyramid. It can be a triangle, square, pentagon or any other polygon with straight sides. Depending on the base, they can be regular pyramids (the sides of the base polygon have […]

## Clockwise

Clockwise When something is moving clockwise, it is moving in a circle in the same direction as the hands on a clock. https://en.wikipedia.org/wiki/Clockwise […]

## Area

Area is the size of a surface. […]