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lys-0071 [83]
3 years ago
10

The angles below are supplementary. What is the value of x? A pair of supplementary angles is shown. One angle measures 4x + 20,

and the other angle measures 40.
answers:

5

7.5

15

30
Mathematics
2 answers:
nikdorinn [45]3 years ago
6 0

Answer: The answer is D. 30

I took the FLVS test and got it correct, just so everyone knows it is right!

Hoochie [10]3 years ago
3 0

Answer:

x = 30

Step-by-step explanation:

If the angles are supplementary, that means that they add up to 180°.

That means 40 + 4x + 20 = 180°

Simplify: 60 + 4x = 180

Subtract: 4x = 120

Divide: x = 30

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