Help please!!!!!!!!!!!

asked Mar 22, 2018 79.7k views

1 vote

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1 vote

It is 45 degrees, because it is one half of a 90 degree angle. And also, n = 15.

Faide answered Mar 22, 2018

by Faide

8.1k points

3 votes

Letter n=13. Because...

3n+4n-15=90
7n-15=90
+15 +15
7n=105
7n/7=105/7
N=13

Kaes answered Mar 28, 2018

by Kaes

8.1k points

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