79.7k views
1 vote
Help please!!!!!!!!!!!

Help please!!!!!!!!!!!-example-1

2 Answers

1 vote
It is 45 degrees, because it is one half of a 90 degree angle. And also, n = 15.
User Faide
by
6.9k points
3 votes
Letter n=13. Because...

3n+4n-15=90
7n-15=90
+15 +15
7n=105
7n/7=105/7
N=13
User Kaes
by
6.7k points
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