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