Geometry: An Interactive Journey to Mastery

10. L /DEHODQJOHVx 1 x 2 aDVVKRZQLQFigure S.10.11
    LL ++ACD~ BCEEHFDXVH666
    LLLx 1  x 2 EHFDXVHWKH\DUHPDWFKLQJDQJOHVLQaWULDQJOHV
    LY ‘  ‘ ACE x 12 aDQG BCD x aFOHDUO\
    Y ‘#‘ACE BCDEHFDXVHx 1  x 2 

Lesson 11

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   E௘ͽ ^2142 
   F௘ͽ ba
   G௘ͽ bb 
   H௘ͽ bac 
   I௘ͽ baab 
   J௘ͽ “” 02 XQGH¿QHG


2. D௘ͽ 7KLVOLQHFRQQHFWVͼ௘௘ͽDQGͼ௘௘ͽDQGWKHUHIRUHKDVVORSH^1110 2XUSDUDOOHOOLQHKDVWKH
   VDPHVORSH
   E௘ͽ 7KHOLQHFRQQHFWLQJWKHJLYHQSRLQWVKDVVORSH^14 7KHSHUSHQGLFXODUOLQHZHVHHNKDVVORSH
   F௘ͽ 7KLVOLQHLVKRUL]RQWDODQGWKHUHIRUHKDVVORSH


3. 7KHOLQHKDVHTXDWLRQyx^0  7KDWLVy xí3XWx WRVHHWKDWWKHyLQWHUFHSWLVy í


4. :HQHHGk 43   ZKLFKJLYHVk   ^1633 ^1

AD

a

EB

C

x 1 x 2

Figure S.10.11