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

Question

asked Apr 17, 2021 210k views

1 Answer

Moonchild · Answer 1 · 2021-04-22T19:16:24+0000

Answer:

x= 6°

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)