2022 HKDSE Math Paper 1 Q19 可能係最elementary嘅solution

2022 HKDSE Math Paper 1 Q19 solution with similar triangles and section formula *************************************************** Thank you very much for your watching and support! 謝謝各位的觀看和支持! If you find my videos are helpful or funny, please share them with your friends, students or teachers! 如果覺得我的影片有用或有趣，請分享給朋友，學生或老師！ Subscribe to my channel 訂閱我的頻道    / vibingmath   Math for fun Playlist    • Math for fun   HKDSE Math(Comp) Playlist    • HKDSE Math (Comp) Equation of straight lin...   GCE A-level Math Pure section    / @vibingmath   GCE A-level Math Statistics section    / @vibingmath   GCE A-level Math Mechanics section    / @vibingmath   Instagram:   / vibingmath   Email: vibingmath@gmail.com **************************************************************** My gears for video: Computer: Microsoft surface pro 5 Screen recorder : OBS studio Microphone: Samson Q2U dynamic microphone Video editor: Shotcut / Power director 17