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 » Math Topics » geometry.puzzles

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

Topic: Cubesectomy
Replies: 13   Last Post: Sep 27, 2010 11:30 AM

Advanced Search

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

Posts: 658
Registered: 12/6/04
Posted: Sep 5, 2010 7:21 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

A corner is cut off a cube and it produces an irregular triangular pyramid.
Two of the three edges of the base (or cut surface) of this pyramid are 39 cm. and 67 cm. and the third is x cm.
When standing on this base it has a measured height of 10 cm.
Find x and also the volume of this pyramid.

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.