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

Question

3 years ago

10

and the other angle measures 40.
answers:

5

7.5

15

30

2 answers:

nikdorinn [45] · Answer 1 · 2022-01-20T10:34:26+03:00

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] · Answer 2 · 2022-01-20T08:44:50+03:00

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