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If EC bisects Find BED

If EC bisects Find BED
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If EC bisects Find BED

If EC bisects Find BED-example-1
User Lakisha
by
8.2k points

2 Answers

2 votes

Answer:

D. 136

Explanation:

User GeNia
by
8.5k points
7 votes
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°
User Eike Thies
by
8.0k points
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