Question

measure of angle 3 equals 37. Find measure of angle 1.
A pair of intersecting lines is shown. Angle 1 is above the point of intersection. Angle 2 is right of the point of intersection. Angle 3 is below the point of intersection. Angle 4 is left of the point of intersection.
(1 point)
Responses

37
37

143
143

127
127

153

1 answer

The measure of angle 1 can be found by using the Vertical Angles Theorem. According to this theorem, when two lines intersect, the vertical angles formed are congruent. Since angle 3 measures 37 degrees, angle 1 must also measure 37 degrees. Therefore, the correct answer is 37.