menelaus theorem1

17
Chapter 7 The Menelaus and Ceva Theorems 7.1 7.1 .1 Sig n conve nt ion Let  A  and  B  be tw o distin ct points. A point P  on the line  AB  is said to divide the segment  AB  in the ratio  AP  :  P B, positive if  P  is between  A and  B , and negative if  P  is outside the segment  AB . P  A B  A B P B  A P  AP/PB > 0. -1 < AP/PB < 0.  AP/PB < -1. 7. 1.2 Harmo nic conjugate s Two point s  P  and  Q  on a line  AB  are said to divide the segment  AB harmonically  if they divide the segment in the same ratio, one externally and the other internally: AP P B  = # AQ QB . We shall also say that  P  and Q  are  harmonic conjugates  with respect to the segment  AB. 87

Upload: surya-paryanta-pattra

Post on 02-Jun-2018

217 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 1/17

Page 2: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 2/17

Page 3: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 3/17

Page 4: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 4/17

Page 5: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 5/17

Page 6: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 6/17

Page 7: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 7/17

Page 8: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 8/17

Page 9: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 9/17

Page 10: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 10/17

Page 11: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 11/17

Page 12: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 12/17

Page 13: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 13/17

Page 14: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 14/17

Page 15: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 15/17

Page 16: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 16/17

Page 17: Menelaus Theorem1

8/10/2019 Menelaus Theorem1

http://slidepdf.com/reader/full/menelaus-theorem1 17/17