https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-modeling-with-right-triangles/v/angle-to-aim-to-get-alien 2021-06-30T17:32:40Z Right triangle word problem Sal solves a modeling problem where he finds the necessary angle to shoot at a vicious alien. Sal Khan video https://cdn.kastatic.org/googleusercontent/dlKu1szoXgEqwAoKxoMQLwa9LQVPo-o5Xt6xJ7m4NixSAhQDy0ixvWC3z9NTDTrLNi4qYlA-wQGTGhmRy0ab_ypT Right triangle word problem Sal solves a modeling problem where he finds the necessary angle to shoot at a vicious alien. https://cdn.kastatic.org/ka-youtube-converted/aHzd-u35LuA.mp4/aHzd-u35LuA.mp4 275 Angle of elevation and depression https://www.khanacademy.org/math/revision-term-1-ncert-math-class-10/x2f82315bf1a14434:week-2/x2f82315bf1a14434:some-applications-of-trigonometry/e/some-applications-of-trigonometry-9-1 2026-02-02T11:44:44.872808183Z Some applications of Trigonometry 9.1 Some applications of Trigonometry ashish exercise https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-modeling-with-right-triangles/a/angles-of-elevation-and-depression 2022-09-10T02:03:40.164764806Z Angles of elevation and depression Learn what  the terms angle of elevation and angle of depression mean. The words may be big but their meaning is pretty basic! article https://www.khanacademy.org/math/cambridge-o-level-mathematics-4024/x3f4c73d082a798eb:trigonometry/x3f4c73d082a798eb:angle-of-elevation-and-depression/v/intro-to-heights-distances 2026-03-10T04:30:37.966653692Z Intro to heights & distances Created by Khan Academy Khan Academy Pakistan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Intro to heights & distances Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/34029t0DRRU.mp4/34029t0DRRU.mp4 767 Angle of elevation and depression https://www.khanacademy.org/math/revision-term-1-ncert-math-class-10/x2f82315bf1a14434:week-2/x2f82315bf1a14434:some-applications-of-trigonometry/e/word-problems--one-triangle-involved 2026-03-08T08:10:35.408394002Z Word problems: one triangle involved Let's practice some word problems that involve applications of trigonometry in a single triangle. ashish exercise https://www.khanacademy.org/math/cambridge-o-level-mathematics-4024/x3f4c73d082a798eb:trigonometry/x3f4c73d082a798eb:angle-of-elevation-and-depression/v/heights-distances-word-problem-1 2026-03-10T04:30:37.966653692Z Heights & distances word problem 1 Created by Khan Academy Khan Academy Pakistan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Heights & distances word problem 1 Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/5g7QCPGQdCQ.mp4/5g7QCPGQdCQ.mp4 728 Angle of elevation and depression https://www.khanacademy.org/math/revision-term-1-ncert-math-class-10/x2f82315bf1a14434:week-2/x2f82315bf1a14434:some-applications-of-trigonometry/e/word-problems--two-triangles-involved 2026-03-08T08:10:35.408394002Z Word problems: two triangles involved Let's practice some challenging word problems that involve applications of trigonometry. ashish exercise https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-modeling-with-right-triangles/e/applying-right-triangles 2026-04-08T01:15:04.085520103Z Right triangle trigonometry word problems Solve word problems by modeling real-world (and not-so-real) situations as right triangles and using trigonometry. Tomer Gal exercise