The measure of angle 1 is 30°, and the measure of angle 2 is 110°. A triangle has angles 1, 2, 3. The exterior angle to angle 3 is 4. What is the measure of angle 4? 40° 80° 140° 220°

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.