Solve for the value of n.

n= 27

Step-by-step explanation:

To solve first subtract the 90-degree angle:

180-90= 90

Then, convert into an equation:

3n+9= 90

Subtract 9 from both sides:

3n=81

Then divide by 3:

n= 27

Hope this helps!

597

step-by-step explanation:

by definition, an arc subtended by a central angle of some given measure has the same measure. so .