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Can someone help me on this
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3 votes
Can someone help me on this

Can someone help me on this-example-1
User Mike Mengell
by
4.8k points

1 Answer

2 votes

Answer:

29 degrees

Explanation:

angle ABD = (x + 9) degrees

angle DBC = (2x - 19) degrees

angle ABC = angle ABD + angle DBC

50 = (x + 9) + (2x - 19)

= 3x - 10

3x = 50 + 10

x = 60/3

x = 20

Substitute x = 20 into angle ABD = (x + 9)

angle ABD = 20 + 9

angle ABD = 29 degrees

User Max Shenfield
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5.0k points
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