Answer:
6th x of the graph
Step-by-step explanation:
B because none of the angles as acute
30 degrees. A triangle is 180. The right angle is 90.
90=7x-10+3x
add ten to both sides and combine like terms
100=10x simplify
10=x now substitute
3x
3(10)=30
The answer to your question would be 'A'