Chapter10

# Chapter10 - Polygons and Area Polygons and Area Â 10.1 10.1...

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Unformatted text preview: Polygons and Area Polygons and Area Â§ 10.1 10.1 Naming Polygons Naming Polygons Â§ 10.4 Areas of Triangles and Trapezoids 10.4 Areas of Triangles and Trapezoids Â§ 10.3 10.3 Areas of Polygons Areas of Polygons Â§ 10.2 10.2 Diagonals and Angle Measure Diagonals and Angle Measure Â§ 10.6 Symmetry 10.6 Symmetry Â§ 10.5 Areas of Regular Polygons 10.5 Areas of Regular Polygons Â§ 10.7 Tessellations 10.7 Tessellations Naming Polygons Naming Polygons Yo u will le a rn to na m e po lyg o ns a c c o rding to the num b e r o f _____ a nd ______. 1) re g ula r po lyg o n 2) c o nve x 3) c o nc a ve s id e s a ng l e s Naming Polygons Naming Polygons A polygon is a _____________ in a plane formed by segments, called sides . c lo s e d fig ure A polygon is named by the number of its _____ or ______. s id e s a ng l e s A triangle is a polygon with three sides. The prefix ___ means three. tri Naming Polygons Naming Polygons Prefixes are also used to name other polygons. Prefix Number of Sides Name of Polygon tri- quadri- penta- hexa- hepta- octa- nona- deca- 3 4 5 6 7 8 9 10 tri angle quadri lateral penta gon hexa gon hepta gon octa gon nona gon deca gon Naming Polygons Naming Polygons U T S Q R P A ve rte x is the po int o f inte rs e c tio n o f two s ide s . A s e g m e nt who s e e ndpo ints are no nc o ns e c utive ve rtic e s is a diag o na l . C o ns e c utive ve rtic e s a re the two e ndpo ints o f a ny s ide . S ide s that s hare a ve rte x a re c alle d c o ns e c utive s ide s . Naming Polygons Naming Polygons An e q uila te ra l polygon has all _____ congruent. An e q uia ng ula r polygon has all ______ congruent. s ide s a ng le s A regular polygon is both ___________ and ___________. e q uila te ra l e q uia ng ula r e q uila te ra l b ut no t e q uia ng ula r e q uia ng ula r b ut no t e q uila te ra l re g ula r , b o th e q uila te ra l a nd e q uia ng ula r Investigation: As the number of sides of a series of regular polygons increases , what do you notice about the shape of the polygons? Naming Polygons Naming Polygons A polygon can also be classified as c o nve x or c o nc a ve . If a ll o f the dia g o na ls lie in the inte rio r o f the fig ure , the n the po lyg o n is ______. c o nve x If a ny pa rt o f a dia g o na l lie s o uts ide o f the fig ure , the n the po lyg o n is _______. c o nc a ve Naming Polygons Naming Polygons Diagonals and Angle Measure Diagonals and Angle Measure Yo u will le a rn to find m e a s ure s o f inte rio r a nd e xte rio r a ng le s o f po lyg o ns ....
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## This note was uploaded on 02/12/2011 for the course MTG 3212 taught by Professor Jackson during the Spring '11 term at University of Florida.

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Chapter10 - Polygons and Area Polygons and Area Â 10.1 10.1...

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