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Ex 6.3, 3 - In figure, if AB || DE, ∠BAC = 35° & ∠CDE = 53° - Triangle - Problems

  1. Chapter 6 Class 9 Lines and Angles
  2. Serial order wise
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Transcript

Ex6.3, 3 In the given figure, if AB || DE, ∠BAC = 35° and ∠CDE = 53°, find ∠DCE. Since AB || DE and AE is a transversal. ∠BAC = ∠CED 35° = ∠CED ∴ ∠CED = 35° In ΔCDE, ∠CDE + ∠CED + ∠DCE = 180° 53° + 35° + ∠DCE = 180° 88° + ∠DCE = 180° ∠DCE = 180° – 88° ∠DCE = 92°

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