trintrin227
trintrin227 trintrin227
  • 25-09-2018
  • Mathematics
contestada

Helpppppp!!!!!!!! Please

Helpppppp Please class=

Respuesta :

sid071
sid071 sid071
  • 25-09-2018

Hey there!!

We know angle DEC = angle AEB

Hence,

... 4x + 12 = 5x - 10

... - x = - 22

... x = 22

4 ( 22 ) + 12

88 + 12

100° is the answer.

Hope my answer helps!

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