Question: What are the measures of angles 1 and 2?

Answer: m < 1 =50 degrees m< 2 =130 degrees.

Question: Which formula would be used to find the measure of angle 1?

Answer: 1/2(a degrees - b degrees).

Question: What is the measure of angle ABC?

Answer: 42.5 degrees.

Question: What is the value of x?

Answer: 58 degrees.