203,163 views
44 votes
44 votes
I need help with 4 and 6 thank youFind the unknown variables

I need help with 4 and 6 thank youFind the unknown variables-example-1
User Andgeo
by
2.8k points

1 Answer

24 votes
24 votes

4.Since the triangle is concurrent by SAS,

Thus the included angles are equal,

Thus,


5x+9=8x-30
3x=39
x=13

The answer is 13

User Tolbard
by
2.7k points