Geometry: An Interactive Journey to Mastery



Lesson 1: Geometry—Ancient Ropes and Modern Phones

1. ,VWKHIROORZLQJVWDWHPHQWWUXHRUIDOVH"$FLUFOHGUDZQRQWKHVXUIDFHRIDWKUHHGLPHQVLRQDOVROLGLVVXUHWR
   GLYLGHWKHVXUIDFHRIWKDWVROLGLQWRWZRSDUWVDQ³LQVLGH ́DQGDQ³RXWVLGH ́


2. /RRNDURXQGWKHURRP\RXDUHFXUUHQWO\LQ'R\RXVHHDQ\ZKHUHLQLWDQH[DPSOHRIDVWUDLJKWOLQH"$
   perfectly straightOLQH"


3. 7HOHJUDSKSROHVHGJHVRIEXLOGLQJVDQGVLJQSRVWVDUHXVXDOO\VWUDLJKWOLQHV$UHWKHVKDGRZVFDVWIURP
   VWUDLJKWREMHFWVE\WKH6XQDOZD\VVXUHWREHVWUDLJKW":KDWGR\RXWKLQN"

Problems