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Anarel [89]
3 years ago
10

Find m∠DBC. What is the m∠DBC? m∠DBC = ? °

Mathematics
2 answers:
Andreas93 [3]3 years ago
8 0

Answer:

∠DBC=120

Step-by-step explanation:

2x+(x+90)=180

2x+x+90=180

3x+90=180

3x=180-90

3x=90

x=90/3

x=30

blug x in to ∠DBC

∠DBC=30+90=120

USPshnik [31]3 years ago
4 0
Dbc < 120 because 3x+ 90= 180, subtract 90 that leaves 3x = 90 and divide by 3 it’s 30 and if 30 is x than 30+90=120
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