3 years ago

Pls answer quick I will give brainliest

Mathematics

1 answer:

eimsori [14]3 years ago

6 0

Answer:

EBC and CBF are supplementary.

EBD=66

Step-by-step explanation:

Since vertical angles are congruent, ABE=CBF

ABE=40-x

40-x + 6x-30=90

5x+10=90

5x=80

x=16

16(6)-30=66

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