8.3 and 8.4 angle properties in polygons and parallel and transversals · mfm1p 8.3 angles of...
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MFM1P 8.3AnglesofQuadrilateralsandotherPolygons Name: 8.4AnglesofParallelLines Date:LearningGoals
• Iamlearningtodeterminethesumoftheinterioranglesofpolygons• Iamlearningtodeterminethemeasureofinterioranglesofpolygons• Iamlearningtodeterminetheexterioranglesofpolygons• Iamlearningtoidentifyparallellinesandtransversals• Iamlearningtorecognizeanglepropertiesofparallellinesandtransversals• Iamlearningtosolveproblemsinvolvingparallellines
SuccessCriteria
ü Icanrecognizeandapplythefollowingpropertiesofpolygonsandtheirangles:
ü Icanrecognizeandapplythefollowingpropertiesofparallellinesandtheirtransversals:
MFM1P 8.3AnglesofQuadrilateralsandotherPolygons Name: 8.4AnglesofParallelLines Date:
ThesumoftheinterioranglesisALLOFTHEINSIDEANGLESADDEDTOGETHER.Tofindthesumoftheinterioranglesofapolygoncanbefoundby
a) Countingthesidesb) Subtract2c) Multiplyby180
Theequationthatshowsthisprocessis:
𝑆𝑢𝑚𝑜𝑓𝑖𝑛𝑡𝑒𝑟𝑖𝑜𝑟𝑎𝑛𝑔𝑙𝑒𝑠 = 180 𝑛 − 2 𝑤ℎ𝑒𝑟𝑒𝑛𝑖𝑠𝑡ℎ𝑒𝑛𝑢𝑚𝑏𝑒𝑟𝑜𝑓𝑠𝑖𝑑𝑒𝑠𝑜𝑟𝑎𝑛𝑔𝑙𝑒𝑠**RemembertofollowBEDMAS,whichmeansyoumustsubtract2firstthenmultiplyby180.
MFM1P 8.3AnglesofQuadrilateralsandotherPolygons Name: 8.4AnglesofParallelLines Date:
NOTE:Ifyouknowtheinteriorangles,youfindtheexterioranglesbysubtractingtheinterioranglefrom180°sincetheinteriorangleplustheexteriorangleaddto180°(straightangle).Also,theexterioranglesalwaysaddupto360°.YoucanalwaysfindanexteriorangleofREGULARpolygon(equalsidesandangle)bydividing360°bythenumberofsides.
MFM1P 8.3AnglesofQuadrilateralsandotherPolygons Name: 8.4AnglesofParallelLines Date:ShowYouKnow1,pg.381(Answersareinthebackofyourtextbook)
MFM1P 8.3AnglesofQuadrilateralsandotherPolygons Name: 8.4AnglesofParallelLines Date:ShowYouKnow2,Pg383(Answersareinthebackofyourtextbook)
MFM1P 8.3AnglesofQuadrilateralsandotherPolygons Name: 8.4AnglesofParallelLines Date:ShowyouKnow,Pg388(Answersareatthebackofthetextbook)
Apply,Pg.389-391(Answersareinthebackofthetextbook)
MFM1P 8.3AnglesofQuadrilateralsandotherPolygons Name: 8.4AnglesofParallelLines Date:SampleEQAOQuestions