How to find perimeter

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The perimeter is defined as the distance around an object. For example, if measuring the perimeter of a football field, you would measure the entire edge of the field. If measuring a more unusually shaped object, you would need to be careful to measure and add together the length of each individual side to ensure you. A perimeter is a path that encompasses/surrounds a two-dimensional shape. The term may be used either for the path, or its length—in one dimension. It can be thought of as the length of the outline of a shape. The perimeter of a circle or ellipse is called its circumference. Perimeter is the distance around the outside of a shape. Area measures the space inside a shape. Learn how to calculate perimeter and area for various shapes. If you're seeing this message, it means we're having trouble loading external resources on our website. The perimeter of a circle is more commonly known as the circumference. Units. Be sure to only add similar units. For example, you cannot add inches to feet. For example, if you need to find the perimeter of a rectangle with sides of 9 inches and 1 foot, you must first change to the same units. perimeter = 2 ( a + b. Ever had someone come up to you on the street, hand you a shape, and ask you to find the perimeter of that shape? Watch this tutorial, and next time that happens you'll be ready! Category Education; Show more Show less. When people use the word perimeter in everyday language, they're talking about the boundary of some area. And when we talk about perimeter in math, we're talking about a related idea. But now we're not just talking about the boundary. We're actually talking about the length of the boundary. How Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents. Enter value and click on calculate. Result will be displayed. Calculate Perimeter Of a Square Calculate Perimeter Of a Rectangle Calculate Perimeter Of a Triangle How To Find Perimeter From Area. Finding the perimeter of a shape from its area depends on what shape you are using. To review, perimeter is the distance around the edge of a shape, while area is the space covered within the edges of a two-dimensional shape. Learn More at Visit for more Free math videos and additional subscription based content!