HP Forums / HP Calculators (and very old HP Computers) / General Forum v / Geometry Stumper

Post Reply 
Geometry Stumper
08-15-2018, 01:16 PM
Post: #11
Voldemar Offline
Senior Member
 		Posts: 318
Joined: Mar 2014
RE: Geometry Stumper
(08-15-2018 12:29 PM)Albert Chan Wrote:  BTW, have you peek at Thomas Puettmann sketch, about the green lines ?
Why is that a right triangle ?
There are 4 angles at C. Two angles x and two angles y.
2x + 2y = 180
Divide by 2
x + y = 180/2 = 90
Angle x + y is our angle in the green lines.
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
Geometry Stumper - Albert Chan - 08-14-2018, 01:45 PM
RE: Geometry Stumper - Thomas Puettmann - 08-14-2018, 06:04 PM
RE: Geometry Stumper - Albert Chan - 08-14-2018, 06:58 PM
RE: Geometry Stumper - Thomas Puettmann - 08-14-2018, 08:35 PM
RE: Geometry Stumper - Albert Chan - 08-15-2018, 12:39 AM
RE: Geometry Stumper - Voldemar - 08-15-2018, 06:38 AM
RE: Geometry Stumper - Albert Chan - 08-15-2018, 11:14 AM
RE: Geometry Stumper - Voldemar - 08-15-2018, 11:56 AM
RE: Geometry Stumper - Albert Chan - 08-15-2018, 12:29 PM
RE: Geometry Stumper - Voldemar - 08-15-2018 01:16 PM
RE: Geometry Stumper - Albert Chan - 08-15-2018, 07:57 PM
RE: Geometry Stumper - Thomas Puettmann - 08-15-2018, 07:29 AM
RE: Geometry Stumper - jwhsu - 08-16-2018, 12:30 AM
RE: Geometry Stumper - Albert Chan - 08-15-2018, 02:55 PM
RE: Geometry Stumper - Albert Chan - 08-15-2018, 07:23 PM
RE: Geometry Stumper - Thomas Puettmann - 08-16-2018, 04:04 PM
RE: Geometry Stumper - Paul Dale - 08-17-2018, 06:29 AM
RE: Geometry Stumper - brickviking - 08-21-2018, 12:01 AM
RE: Geometry Stumper - Thomas Puettmann - 08-15-2018, 09:46 PM
RE: Geometry Stumper - Albert Chan - 08-15-2018, 11:02 PM
RE: Geometry Stumper - Thomas Puettmann - 08-16-2018, 08:26 AM
RE: Geometry Stumper - Albert Chan - 08-16-2018, 06:46 PM
RE: Geometry Stumper - Albert Chan - 09-03-2018, 01:59 PM
RE: Geometry Stumper - Albert Chan - 10-04-2018, 07:58 PM
RE: Geometry Stumper - Albert Chan - 02-24-2019, 02:37 PM
RE: Geometry Stumper - Albert Chan - 02-25-2019, 06:05 AM



User(s) browsing this thread: 7 Guest(s)

Contact Us | The Museum of HP Calculators | Return to Top | Return to Content | Lite (Archive) Mode | RSS Syndication