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17 votes
Lus

MZABC = 40°and BÓ is the angle
bisector of LABC
By+6
B
3x-1
342x
D
57-18
X=[ ? ]
Enter

Lus MZABC = 40°and BÓ is the angle bisector of LABC By+6 B 3x-1 342x D 57-18 X=[ ? ] Enter-example-1
User AlexD
by
4.0k points

2 Answers

11 votes

Answer:

7

Explanation:

User Richard Hpa
by
5.1k points
4 votes

Answer:

x = 7

Explanation:

Since, BD is the angle bisector of ∠ABC,

By angle bisector theorem,

∠ABD ≅ ∠CBD

m∠ABD = m∠CBD

(3x - 1) = (34 - 2x)

3x + 2x = 34 + 1

5x = 35

x = 7

User Joseph Gagliardo
by
4.5k points