The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » sci.math.* » sci.math

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: Geometry Problem
Replies: 17   Last Post: Feb 20, 2008 10:04 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]

Posts: 5,039
Registered: 12/6/04
Re: Geometry Problem
Posted: Feb 18, 2008 2:50 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Feb 18, 11:31?am, rb <r...@rb.rb> wrote:
> Hi all,
> I need help with this problem:

That's not the only problem you need help with.

> The angle to find is ECD.
> The matter is solving it without trigonometric functions.
> With trigonometry or by drawing it you can see that the angle to find
> is 20? (sessagesimal) but I can't find it using a simple solution
> (properties of triangles, the parallel postulate and so on).
> Can you solve it?

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.