https://www.khanacademy.org/math/cc-third-grade-math/3rd-perimeter/imp-perimeter/e/perimeter-2 2025-02-10T05:04:39.155459793Z Find perimeter when given side lengths Find perimeter of figures when given an image or context.   Lindsay Spears exercise https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:perimeter-and-area/x04ca845a9a148c80:perimeter-of-polygons-with-missing-side-lengths/v/finding-perimeter-when-a-side-length-is-missing-indian-accent 2025-06-08T17:08:59.076161332Z Finding perimeter when a side length is missing 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 length of a side if it isn't labeled. The perimeter is the total distance around the outside of the shape. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Finding perimeter when a side length is missing 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 length of a side if it isn't labeled. The perimeter is the total distance around the outside of the shape. https://cdn.kastatic.org/ka-youtube-converted/V3557O0CVFs.mp4/V3557O0CVFs.mp4 157 Perimeter https://www.khanacademy.org/math/cc-third-grade-math/3rd-perimeter/perimeter-of-polygons-with-missing-side-lengths/e/find-perimeter-when-a-side-length-is-missing 2025-06-17T20:23:36.265318462Z Find perimeter when a side length is missing Find perimeter of polygons when not all side lengths are labeled. Lindsay exercise