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∠CDE and ∠EDF are supplementary angles. If m∠CDE=(2x+6)∘ and ∠FDE measures (x−9)∘, what is the value of x?

Sagot :

Maxine848

Answer:

X=55

Step-by-step explanation:

Hope this helps also I would appreciate brainliest is possible please :)

Answer:

x = 61

Step-by-step explanation:

Supplementary angles sum to 180°

sum the 2 angles and equate to 180

2x + 6 + x - 9 = 180 , that is

3x - 3 = 180 ( add 3 to both sides )

3x = 183 ( divide both sides by 3 )

x = 61

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