amyatheplug09 amyatheplug09

02-01-2021
Mathematics

contestada

If m ABC = 122°, and m
then m

If m ABC 122 and m then m class=

Respuesta :

cosmickid287 cosmickid287

02-01-2021

Answer:

m < DBC = 51

Step-by-step explanation:

Looking at the picture, we know <ABD and <DBC make up <ABC. Knowing this, we can set up an equation like so, plug in the known values, and solve to find m<DBC:

[tex]m<ABC = m<ABD + m<DBC\\122 = 71 + m<DBC\\m<DBC = 122 - 71\\m<DBC = 51[/tex]

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