trujilokarima123
trujilokarima123 trujilokarima123
  • 12-01-2021
  • Mathematics
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PLEASE LED ME THE ANSWER
ILL GIVE YOU 20 POINTS

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Karangamer
Karangamer Karangamer
  • 12-01-2021

Answer:

DEC+DEF=180

DEC=180-116

DEC=64°

in triangle DCE

angle D+angle C+angle E=180

7y+6+4y+64=180

11y+70=180

11y=180-70

11y=110

y=110/11

y=10°

angle C=4y

=4(10)

=40°

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