Angles 1
- 1. Angles : All you should know Bytheendofthelessonyouwillbeableto: Useappropriatemathematicalvocabulary relatedtoangles. Recogniseandcalculateanglesbetweenparallel lines. Useanglepropertiesoftrianglesandquadrilaterals. 1
- 2. 安鞄温岳油糸看油霞看顎油界温鉛鉛油温稼油温稼乙鉛艶油敬鞄看壊艶油馨艶温壊顎姻艶 islessthan90o? Acute is135o? Obtuse 360尊? Acompleteturn is180尊? Straightangle Whichofthefollowinganglesisareflexangle? a)178尊b)200尊c)270尊d)320尊e)360尊 b)c)andd) reflexangle: 2
- 3. Whatisthecomplementaryangleof留=26o? Anangleof64o. complementaryangles: supplementaryangles: 3
- 4. 安鞄温岳油庄壊油岳鞄艶油稼温馨艶油韓看姻油温稼乙鉛艶壊油1油温稼糸油2? Verticallyopposite. 1 2 Verticallyoppositeanglesareequal. 4
- 5. Twoverticallyoppositeanglesmeasure2xand80o. Howmanydegreesarethereinx? o 40 1 2x 80尊 2 Twosupplementaryanglesmeasure(5x足30)and (x+90)degrees.Whatisthevalueofx? 20o 5
- 6. Classifytheanglesbelowaccordingtotheir position. 留and硫areadjacent 留 硫 Whatcanbesaidaboutthe valuesofangles留and硫? 留 +硫=180o Adjacentanglesaddupto180o. 6
- 7. 温油//油恢 c a 1 2 4 3 b 5 6 8 7 Nameallinteriorangles. 3,4,5and6 Nameallexteriorangles. 1,2,7,8. 7
- 8. 温油//油恢 c a 1 2 4 3 b 5 6 8 7 Nameallpairsofalternateinteriorangles. 4and6,5and3 Nameallpairsofalternateexteriorangles. 1and7,2and8. Alternateanglesbetweenparallellinesare............. 8
- 9. 温油//油恢 c a 1 2 4 3 b 5 6 8 7 Nameallpairsofcorrespondingangles. 1and5,2and6,4and8,3and7. Correspondinganglesbetweenparallellinesare............. 9
- 10. 温油//油恢 c a 1 2 4 3 b 5 6 8 7 Nameallpairsofcointerior(orconjugateinterior) angles. 5and4,3and6 Nameallpairsofcoexterior(orconjugateexterior) angles. 1and8,2and7. Conjugateanglesbetweenparallellines...................... 10
- 11. a Whichlineisthetransversal? p r 1 140o p//a Findthemeasureof: 2 3 140o o r 140 40o 11
- 12. 温油//油恢 Whatisthevalueofx? (x+80)o 20 a b (5x)o c 12
- 13. Findthesizeof o 18 13
- 14. Triangles clasification by sides ...................... ...................... ...................... 14
- 15. by angles .................... .................... .................... 15
- 16. B o Findthesizeof 2x+10 60o 3x+40o C x足20o A Thesumoftheinterioranglesofanytriangle is........ 16
- 17. B 48o 留+慮= 慮留 o T 留= 52 P 留isanexteriorangle,becauseisadjacenttoan interiorangleofthetrianglePBT. 17
- 18. Quadrilaterals 河顎温糸油酷温馨庄鉛霞油意姻艶艶.稼看岳艶恢看看一 18
- 19. G H Whatisthenameofthisshape? > o Trapezium 72o 49 J > I Whatisthevalueof? 108o Whatisthevalueof? 131o Thesumofalltheinterioranglesofaquadrilateral is............... 19
- 21. Attachments 河顎温糸油酷温馨庄鉛霞油意姻艶艶.稼看岳艶恢看看一