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RUDIKE [14]
3 years ago
9

What is m (There is no multiple choice just find m

Mathematics
1 answer:
Sauron [17]3 years ago
4 0

Answer:

160 degrees.

Step-by-step explanation:

Line ABC is a straight line, and the angle on a straight line is always 180 degrees.

Since ABD + DBC = ABC, we know that x+8x=180

9x=180

Divide both sides by 9:

x=180\div 9=20

DBC is 8x=8\times 20=160 degrees.

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