https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:a-tale-of-three-intersecting-lines/x063f95a40c290960:properties-of-triangles-part-2/v/exterior-angle-property-of-a-triangle 2024-05-28T09:47:20.658952794Z Exterior angle property of a triangle We look at the exterior angle property of the triangle and a quick problem on how to apply it. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Exterior angle property of a triangle We look at the exterior angle property of the triangle and a quick problem on how to apply it. https://cdn.kastatic.org/ka-youtube-converted/RFKQq6yvRSc.mp4/RFKQq6yvRSc.mp4 263 Exterior angle property of a triangle https://www.khanacademy.org/math/revision-term-1-mh-math-class-7/x0bdc8a5f9d8ec377:week-2/x0bdc8a5f9d8ec377:angles-and-pairs-of-angles/v/triangle-exterior-angle-example-indian-accent 2025-06-04T10:04:13.13703146Z Triangle exterior angle example An exterior angle is formed outside a triangle by extending a side. Its measure is equal to the sum of the two non-adjacent interior angle measures, thanks to the fact that all angle measures in a triangle add up to 180 degrees. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Triangle exterior angle example An exterior angle is formed outside a triangle by extending a side. Its measure is equal to the sum of the two non-adjacent interior angle measures, thanks to the fact that all angle measures in a triangle add up to 180 degrees. https://cdn.kastatic.org/ka-youtube-converted/g2bHflif-VI.mp4/g2bHflif-VI.mp4 349 Exterior angle property of a triangle https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:a-tale-of-three-intersecting-lines/x063f95a40c290960:properties-of-triangles-part-2/e/understand-exterior-angle-property 2026-04-07T23:17:37.123726494Z Understand triangle exterior angle property Let's learn where and how the triangle exterior angle property can be applied. Aanand exercise https://www.khanacademy.org/districts-courses/geometry-scps-pilot-textbook/x398e4b4a0a333d18:triangle-congruence/x398e4b4a0a333d18:angle-relationships-in-triangles/e/exterior-angle-property-problems 2026-04-07T23:36:17.218592739Z Triangle exterior angle property problems Let's use the exterior angle property to find missing angles. Aanand exercise