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The measure of an interior angle of a triangle is 4n+ 5 degrees. The measure of the adjacent exterior angle is 15n + 4 degrees. What is the value of n?

I kept getting 1/11 or 0.09 but according to the teacher that wasn't the answer. so please help!!​

Respuesta :

Answer:

Not going to lie, but this question seems kind of more verbose than it should. So, interior angle of triangle is 4n+5 and the adjacent exterior angle is 15n+4.

The two combined is in a straight line(180 degrees)

4n + 5 + 15n + 4 = 180

19 n -= 171

n = 9

Answer:

N=9

Step-by-step explanation:

The two combined is in a straight line(180 degrees)

4n + 5 + 15n + 4 = 180

19 n -= 171

n =

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