2 years ago

Please help me with this

Mathematics

1 answer:

andre [41]2 years ago

7 0

Answer:

Step-by-step explanation:

to make life easier, i'll give both angles letters

Angle ABC= x

Angle CBD= y

x= y(1/3)

x+y=180

now substitute

y(1/3) +y =180

y(4/3) =180

y(4/3) * (3/4) = 180 * (3/4)

y= 135

CBD is 135 degrees

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