3 years ago

HELP ASAP THIS IS SOMETHING DUE IN LESS THAN AN HOUR AND I HAVE OTHER PROBLEMS TO DO

Mathematics

1 answer:

saw5 [17]3 years ago

5 0

Answer:

30 degrees

Step-by-step explanation:

Let Angle ABC be 2x, Angle EBC be 5x

$angle \: dbc = 90 - 2x \\ angle \: dbc \: + angle \: ebc = 180 \\ 90 - 2x + 5x = 180 \\ 3x = 90 \\ x = 30 \\ \\ angle \: dbc = 90 - 60 \\ = 30$

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