PANDATRASH PANDATRASH

28-12-2020
Mathematics

contestada

Find m∠DBC.
What is the m∠DBC?

m∠DBC = ? °

Find mDBC What is the mDBC mDBC class=

Respuesta :

xuanfu32 xuanfu32

28-12-2020

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

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isabella7vazquez isabella7vazquez

29-12-2020

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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