3 years ago

How do you do this and what is the answer

1 answer:

6 0

We know opposite angles in the parallelogram is congruent:

let x to be the unknown angle:

360=2(110)+2x

360=220+2x

140=2x

x=70

ECF is also 110 because of parallel lines and corresponding angles:

110+x+y=180

110+30+y=180

y=40

so DAE is 40

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