24-05-2020
Mathematics

contestada

can someone please help me with this I'm struggling.

can someone please help me with this Im struggling class=

Respuesta :

Leora03 Leora03

24-05-2020

Answer:

x= 6°

Step-by-step explanation:

∠DEF +∠EFD= ∠EDG

(ext. ∠= sum of int. opp ∠s)

9x +7° +70°= 21x +5°

21x -9x = 77° -5° (bring x terms to one side)

12x= 72° (simplify)

x= 72° ÷12

x= 6° (simplify)

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