5 Questions
What does perimeter refer to in geometry?
Distance around a shape
In geometry, perimeter is measured in which type of units?
1-dimensional units
How is the perimeter of a regular polygon calculated?
By multiplying the length of one side by the number of sides
What does finding the perimeter of an irregular polygon involve?
Adding up all side lengths
Why is it important to always include the units when calculating perimeter?
To make sure the numbers are correct
Study Notes
- Perimeter in geometry refers to the distance around a shape, measured in 1-dimensional units like centimeters or miles.
- It is the shortest distance possible around a shape, tracing the path along the border or edge.
- Perimeter applies to 2-dimensional shapes like polygons, where it is the sum of the lengths of all sides.
- For polygons with straight sides, finding the perimeter involves adding the lengths of each side.
- Regular polygons have all sides of the same length, making perimeter calculation simpler through multiplication.
- In irregular polygons, missing side lengths can be deduced by using the lengths of known sides to find the total perimeter.
- Understanding perimeter calculation for different shapes involves adding up all side lengths and always including the units.
Learn about calculating the distance around a shape, known as the perimeter, for 2-dimensional polygons. Understand how to find the perimeter by adding up the lengths of all sides, irrespective of regular or irregular shapes.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
