kitefreeman247 kitefreeman247
  • 20-06-2018
  • Mathematics
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If EC bisects Find BED

If EC bisects Find BED class=

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Banabanana
Banabanana Banabanana
  • 20-06-2018
If EC bisects ∠BED, then m∠BEC = m∠DEC
11x + 2 = 8x + 20
11x - 8x = 20 - 2
3x = 18
x = 6

 m∠BED = 2 * m∠BEC
               = 2(11x + 2)
               = 2(11*6 + 2)
               = 2(66 + 2)
               = 2 * 68
               = 136°
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Helper001 Helper001
  • 05-11-2020

Answer:

D. 136

Step-by-step explanation:

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