My Math Forum What is the full form of LDCT and LTCT in cyclic quadrilateral?

 Geometry Geometry Math Forum

 April 6th, 2018, 06:45 PM #1 Senior Member   Joined: Aug 2014 From: India Posts: 473 Thanks: 1 What is the full form of LDCT and LTCT in cyclic quadrilateral? L.D.C.T = $\sqrt {d^2 - (R-r^2)}$ L.T.C.T = $\sqrt {d^2 - (R+r^2)}$ What is the full form of LDCT and LTCT in cyclic quadrilateral? Last edited by Ganesh Ujwal; April 6th, 2018 at 06:52 PM.
 April 7th, 2018, 06:35 AM #2 Global Moderator   Joined: Dec 2006 Posts: 21,020 Thanks: 2255 Can you provide a diagram?
 April 7th, 2018, 12:57 PM #3 Global Moderator   Joined: May 2007 Posts: 6,834 Thanks: 733 Enlighten us. What do LDCT and LTCT mean? Thanks from topsquark
 April 7th, 2018, 06:03 PM #4 Senior Member   Joined: Aug 2014 From: India Posts: 473 Thanks: 1 Length of direct common tangent and length of transverse common tangent. I got it. Last edited by skipjack; April 8th, 2018 at 05:14 AM.
 April 8th, 2018, 05:12 AM #5 Global Moderator   Joined: Dec 2006 Posts: 21,020 Thanks: 2255 Perhaps you intended LDCT = $\sqrt{d^2 - (R - r)^2}$ and LTCT = $\sqrt{d^2 - (R + r)^2}$, as given and proved in this article. However, I don't understand your reference to a cyclic quadrilateral, or what you meant by "full form". Thanks from topsquark

 Tags cyclic, form, full, ldct, ltct, quadrilateral

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post brhum Geometry 2 January 25th, 2015 09:24 AM Denis New Users 1 June 15th, 2013 06:05 AM liaofei1128 Algebra 0 April 1st, 2010 10:18 PM bane Algebra 2 March 17th, 2010 05:01 AM greg1313 Algebra 1 December 16th, 2009 09:21 AM

 Contact - Home - Forums - Cryptocurrency Forum - Top