Question

In the drawing below, line n is a transversal that intersects two parallel lines. What is the measure of Angle 4?

40°
50°
130°
140°

Answer 1

140°

Explanation:

<3 = 40 because they are vertical angles

<3 +<4 = 180 because they are same side interior angles

40 + <4 = 180

Subtract 40 from each side

40-40 + <4 = 180-40

<4 = 140