https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:a-tale-of-three-intersecting-lines/x063f95a40c290960:properties-of-triangles-part-1/v/construct-triangle-when-lengths-of-three-sides-given 2025-10-27T10:00:44.80883294Z Construct triangle when lengths of three sides given In this hands-on video, we guide you through each step — from approach to rough sketch and finally to construct the triangle using a compass and scale. With clear visuals and a well-paced approach, you’ll be able to follow along and understand not just how, but why each step works. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/math-tg#class-8-tg Timestamps: 00:00 - Example 00:45 - Rough Sketch 01:15 - Construction Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Khan Academy Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Construct triangle when lengths of three sides given In this hands-on video, we guide you through each step — from approach to rough sketch and finally to construct the triangle using a compass and scale. With clear visuals and a well-paced approach, you’ll be able to follow along and understand not just how, but why each step works. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/math-tg#class-8-tg Timestamps: 00:00 - Example 00:45 - Rough Sketch 01:15 - Construction Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/9MXfJBxKxOE.mp4/9MXfJBxKxOE.mp4 298 Properties of Triangles Part 1 https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:a-tale-of-three-intersecting-lines/x063f95a40c290960:properties-of-triangles-part-1/v/construct-scalene-isosceles-and-equilateral-triangle 2026-02-20T04:30:45.963786187Z Construct scalene, isosceles and equilateral triangle In this video, we’re going to build three types of triangles — scalene, isosceles, and equilateral — using just a compass and a ruler! 📏 We’ll guide you step by step, just like we're sitting next to you. So grab your tools and follow along — it’s super easy and actually a lot of fun Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Construct scalene, isosceles and equilateral triangle In this video, we’re going to build three types of triangles — scalene, isosceles, and equilateral — using just a compass and a ruler! 📏 We’ll guide you step by step, just like we're sitting next to you. So grab your tools and follow along — it’s super easy and actually a lot of fun https://cdn.kastatic.org/ka-youtube-converted/w2vjuVNpeuc.mp4/w2vjuVNpeuc.mp4 591 Properties of Triangles Part 1 https://www.khanacademy.org/math/7th-engage-ny/engage-7th-module-6/7th-module-6-topic-b/e/constructing-triangles 2026-01-21T14:10:46.416761336Z Constructing triangles Practice constructing triangles. Emily.Hanlon exercise https://www.khanacademy.org/math/revision-mh-math-class-6/x01cb2212e31ce997:week-3/x01cb2212e31ce997:triangles-and-their-properties/v/triangle-inequality-theorem-indian-accent 2025-06-05T06:01:43.515132284Z Triangle inequality theorem Intuition behind the triangle inequality theorem Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Triangle inequality theorem Intuition behind the triangle inequality theorem https://cdn.kastatic.org/ka-youtube-converted/Y7Nj2hbq2Nw.mp4/Y7Nj2hbq2Nw.mp4 305 Properties of Triangles Part 1 https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-constructing-geometric-shapes/e/triangle_inequality_theorem 2025-10-14T14:00:50.911555133Z Triangle side length rules Given the lengths of two sides of a triangle, what can we say about the third side? Igor Terzic exercise https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:a-tale-of-three-intersecting-lines/x063f95a40c290960:properties-of-triangles-part-1/v/construct-a-triangle-two-sides-and-angle-given 2025-07-15T09:48:01.096010038Z Construct a triangle: Two sides and angle given In this hands-on video, we guide you through each step — from drawing the base line to accurately creating a 60° angle and completing the triangle using a compass and scale. With clear visuals and a well-paced approach, you’ll be able to follow along and understand not just how, but why each step works. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Construct a triangle: Two sides and angle given In this hands-on video, we guide you through each step — from drawing the base line to accurately creating a 60° angle and completing the triangle using a compass and scale. With clear visuals and a well-paced approach, you’ll be able to follow along and understand not just how, but why each step works. https://cdn.kastatic.org/ka-youtube-converted/LMPX9I9SfbY.mp4/LMPX9I9SfbY.mp4 221 Properties of Triangles Part 1 https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:a-tale-of-three-intersecting-lines/x063f95a40c290960:properties-of-triangles-part-1/v/construction-with-two-angles-and-sides-given 2025-07-22T04:52:18.174412386Z Construction with two angles and side given Learn how to construct a triangle when two angles and the side between them are given, using just a compass and ruler. This video shows each step clearly so you can follow along easily. You’ll also see how to construct 75° and 45° angles without a protractor, and understand why each step works the way it does. A great way to build your skills and confidence in triangle constructions! Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Construction with two angles and side given Learn how to construct a triangle when two angles and the side between them are given, using just a compass and ruler. This video shows each step clearly so you can follow along easily. You’ll also see how to construct 75° and 45° angles without a protractor, and understand why each step works the way it does. A great way to build your skills and confidence in triangle constructions! https://cdn.kastatic.org/ka-youtube-converted/s19exN2jjSo.mp4/s19exN2jjSo.mp4 326 Properties of Triangles Part 1