# Khan academy area and perimeter

## Perimeter: introduction

Area and perimeter help us measure the size of 2D shapes. We'll start with the area and perimeter of rectangles. From there, we'll tackle trickier shapes, such as .

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Math 3rd grade Perimeter Comparing area and perimeter. Practice: Area and perimeter situations. Comparing areas and perimeters of rectangles. Practice: Compare area and perimeter. Practice: Area and perimeter word problems.

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Geometry all content. Count unit squares to find area. Intro to area and unit squares Opens a modal.

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Basic geometry. Skill Summary Legend Opens a modal. Count unit squares to find area. Intro to area and unit squares Opens a modal. Measuring rectangles with different unit squares Opens a modal.

## Perimeter & area

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Math High school geometry Geometry foundations Area.

Perimeter is the distance around the outside of a shape. Area measures the space inside a.
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