Geometry: An Interactive Journey to Mastery

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 Lesson 4: Understanding Polygons Formulas x 7KHPHDVXUHRIRQHH[WHULRUDQJOHRIDUHJXODUNJRQLVƒN. x 7KHPHDVXUHVR ...

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Lesson 4: Understanding Polygons 7KHH[WHULRUDQJOHRIDUHJXODUSRO\JRQLVWKHPHDVXUHRIDQLQWHULRUDQJOH+RZPDQ\VLGHV ...

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Lesson 5: The Pythagorean Theorem The Pythagorean Theorem Lesson 5 Topics x 7KH3\WKDJRUHDQWKHRUHP x Shortest distances. x ...

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 Lesson 5: The Pythagorean Theorem Study Tip x 'RQ¶W¿[DWHRQWKHIRUPXODa^2 b^2 = c^2 ZLWKWKHVSHFL¿FOHWWHUVabDQ ...

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 Lesson 5: The Pythagorean Theorem D௘ͽ 'UDZDWULDQJOHZLWKVLGHVLQFKHVLQFKHVDQGLQFKHV E௘ͽ 'UDZDWULDQJOHZLWK ...

Distance, Midpoints, and Folding Ties Lesson 6 Topics x 7KHFRRUGLQDWHSODQH x 7KHGLVWDQFHIRUPXOD x 7KHPLGSRLQWIRUPXOD ...

 Lesson 6: Distance, Midpoints, and Folding Ties Example 1 Let A ͼ௘௘ͽB ͼ௘௘ͽDQG5 ͼ௘௘ͽ D௘ͽ 6KRZWKDWA ...

 7KHGLVWDQFHEHWZHHQ©¹§· ̈ ̧ 22  and   is ^2222  MB   § · § · §· §· ̈ ̧ ̈ ̧ ̈ ̧ ̈ ̧© ¹ © ¹ ©¹ ©¹ ...

Lesson 6: Distance, Midpoints, and Folding Ties Pitfall x 6WXGHQWVZKRDWWHPSWWRPHPRUL]HWKHGLVWDQFHIRUPXODIRUWKHVDNHRI ...

 7ULDQJOHABC has vertices A ͼ௘í௘ͽB ͼ௘௘ͽDQGC ͼ௘௘ͽ)LQGWKHFRRUGLQDWHVRIWKHPLGSRLQW M of BCDQGW ...

Lesson 6: Distance, Midpoints, and Folding Ties Let F ͼ௘௘ͽDQGG ͼ௘í௘ͽ D௘ͽ )LQGWKHFRRUGLQDWHVRIWKHSRLQWKD ...

The Nature of Parallelism Lesson 7 Topics x Parallel lines. x (XFOLG¶VSDUDOOHOSRVWXODWH x (UDWRVWKHQHV¶PHDVXUHPHQWRIWKH ...

 Lesson 7: The Nature of Parallelism Summary 7KHFRQFHSWRIOLQHVEHLQJSDUDOOHOLV³EH\RQGKXPDQ ́,WLVSK\VLFDOO\LPSRVVLE ...