Answer:
B
Step-by-step explanation:
The answer is ''B'' cause it is the only true statement
The answer is true!
explaination: hope this helped
Answer:
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!