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ra1l [238]
3 years ago
12

How do you do this and what is the answer

Mathematics
1 answer:
Talja [164]3 years ago
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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