Chapter 6.2 and 6.3 Parallelograms and Tests for Parallelograms.
Secondary Math 2 Name 6-4 Parallelograms...
Transcript of Secondary Math 2 Name 6-4 Parallelograms...
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SecondaryMath2 Name_________________________6-4Parallelograms Period_________UsethediagramofparallelogramMNOPattheright.Completethestatementandgiveareason.
1.MN ≅ Reason:
2. MN P Reason:
3.ON ≅ Reason:
4.∠MPO ≅ Reason:
5.PQ ≅ Reason:
6.QM ≅ Reason:
7.∠MQN ≅ Reason:
8.∠NPO ≅ Reason:
Findthevalueofeachvariableintheparallelogram. 9. 10. 11. (2y +14)° 12. y
2 − 2y +10 x2 + 6x +12
(5y +8)° ( y + x)° y2 + 4y −8
22 9 16x x+ − Areyougivenenoughinformationtodeterminewhetherthequadrilateralisaparallelogram? 13. 14. 15. 16. 17. 18.
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19.Provethatifaquadrilateralisaparallelogramthentheoppositeanglesarecongruent.Youmayuseaflowortwo-columnprooftodothis.Hint:YoucanuseΔADC and ΔABC andthefactthatyouknowthatoppositesidesofaparallelogramarecongruenttoprovethis.Oryoucanuseparalleltransversalstoprovethis.
Given:ParallelogramABCDwithdiagonalsthatmeetatE Prove:∠ADC ≅ ∠ABC
20.Provethatisyouknowthattheoppositesidesofaquadrilateralarecongruentthenitisaparallelogram.Hint:usecongruenttrianglesandtheAltintconversetheoremtwice.Given:DA ≅ CB and AB ≅ DC Prove: DA PCB and AB P DC
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AnswerKey(Notallodds):1. MN ≅ OP , Reason:Inaparallelogramoppositesidesare ≅ 5. PQ ≅ NQ , Reason:Inaparallelogramdiagonalsbisecteachother7. ∠MQN ≅ ∠OQP Vertical ∠ 's 9. y = 9, x = 2 11. x = 160, y = 2 13.yes17.yes