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# Transversal Math

GMAT-EWYFKT

In the diagram, $AB||EC$ and the transversal $FG$ is not perpendicular to $EH$.

Which of the following statements is true?

A

$180-∠ECG=∠DCH$

B

$∠ADF=∠DCH$

C

$∠FDB=∠ECG$

D

$∠ADC+∠ADC=∠ADF$

E

$∠ECG=180-∠ADC$