
Perimeter & area (video) | Perimeter | Khan Academy
What I want to do in this video is a fairly straightforward primer on perimeter and area. And I'll do perimeter here on the left, and I'll do area here on the right.
Perimeter: FAQ (article) | Perimeter | Khan Academy
What's the difference between area and perimeter? Area is the amount of space inside a shape, while perimeter is the distance around the outside of a shape.
Perimeter review (article) | Perimeter intro | Khan Academy
What is perimeter? Perimeter is the distance around the outside of a two-dimensional shape. The perimeter of the shapes below is shown in blue . Want to learn more about the concept of perimeter? …
Perimeter: introduction (video) - Khan Academy
Perimeter is a math concept that measures the total length around the outside of a shape. To find the perimeter, you add together the lengths of all the sides. This works for any shape, including triangles, …
Radius, diameter, & circumference | Circles (article) - Khan Academy
what in the world do you mean by that? I think you meant: there is no such thing as a perfect circle outside of computer technology.
Circles | Geometry (all content) | Math | Khan Academy
Unit 4 Triangles Unit 5 Quadrilaterals Unit 6 Coordinate plane Unit 7 Area and perimeter Unit 8 Volume and surface area Unit 9 Pythagorean theorem Unit 10 Transformations
Finding perimeter when a side length is missing - Khan Academy
The video is teaching us how to find the perimeter of a shape. To do this, we need to measure the lengths of all the sides and add them together. Sometimes we have to use clues to figure out the …
Perimeter of a shape (video) | Perimeter | Khan Academy
To find the perimeter of a shape, you add up the lengths of all the sides. For a square or pentagon, it's even easier - you can multiply the length of one side by the number of sides to get the total perimeter.
Challenge problems: circumscribing shapes - Khan Academy
Solve two challenging problems that apply properties of tangents to find the perimeter of a circumscribing shape.
Labeling parts of a circle (video) | Khan Academy
Circumference is the outside (perimeter) of a circle. Circumstance is a fact or condition connected with or relevant to an event or action.