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Geometry Challenge
01-08-2024, 12:44 PM
Post: #1
Albert Chan Online
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 		Posts: 2,796
Joined: Jul 2018
Geometry Challenge
Problem from Chinese Drama, Heart of Genius, Epsiode 7 (~ 30 minutes in)
https://www.youtube.com/watch?v=6dB8oDVqVGY&t=1800s

Code:
   A
   /
B /
  \
   \____
   C   D

AB = BC = CD = 1, ∠B = 70°, ∠C = 170°, Find ∠A (= ∠BAD)

Bonus Challenge, find |AD| too!
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Messages In This Thread
Geometry Challenge - Albert Chan - 01-08-2024 12:44 PM
RE: Geometry Challenge - Werner - 01-08-2024, 04:10 PM
RE: Geometry Challenge - Albert Chan - 01-09-2024, 04:11 PM
RE: Geometry Challenge - C.Ret - 01-08-2024, 06:55 PM
RE: Geometry Challenge - SlideRule - 01-08-2024, 08:08 PM
RE: Geometry Challenge - Albert Chan - 01-08-2024, 08:11 PM
RE: Geometry Challenge - C.Ret - 01-08-2024, 09:17 PM
RE: Geometry Challenge - Johnh - 01-08-2024, 09:16 PM
RE: Geometry Challenge - Johnh - 01-08-2024, 10:11 PM
RE: Geometry Challenge - rawi - 01-09-2024, 04:56 AM
RE: Geometry Challenge - Johnh - 01-09-2024, 06:18 AM
RE: Geometry Challenge - Thomas Klemm - 01-09-2024, 07:05 AM
RE: Geometry Challenge - Albert Chan - 01-09-2024, 12:27 PM
RE: Geometry Challenge - Werner - 01-09-2024, 07:21 AM
RE: Geometry Challenge - SlideRule - 01-09-2024, 12:54 PM
RE: Geometry Challenge - paul0207 - 01-09-2024, 01:44 PM
RE: Geometry Challenge - SlideRule - 01-09-2024, 04:51 PM
RE: Geometry Challenge - Thomas Klemm - 01-09-2024, 03:09 PM
RE: Geometry Challenge - Albert Chan - 01-09-2024, 03:35 PM
RE: Geometry Challenge - Albert Chan - 01-09-2024, 05:15 PM
RE: Geometry Challenge - Thomas Klemm - 01-09-2024, 05:39 PM
RE: Geometry Challenge - Albert Chan - 01-11-2024, 01:06 PM
RE: Geometry Challenge - Johnh - 01-11-2024, 09:38 PM
RE: Geometry Challenge - Albert Chan - 01-13-2024, 02:00 PM
RE: Geometry Challenge - SlideRule - 01-13-2024, 08:15 PM
RE: Geometry Challenge - Thomas Klemm - 01-13-2024, 09:49 PM
RE: Geometry Challenge - Albert Chan - 01-13-2024, 10:15 PM
RE: Geometry Challenge - Thomas Klemm - 01-13-2024, 10:35 PM
RE: Geometry Challenge - Albert Chan - 01-14-2024, 01:16 PM
RE: Geometry Challenge - paul0207 - 01-15-2024, 01:19 AM
RE: Geometry Challenge - richmit - 01-21-2024, 04:08 AM



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