Question

The measure of angle 1 is 130°.

2 lines intersect to form 4 angles. From top left, clockwise, the angles are 1, 4, 3, 2.
Which other angle must also measure 130°?

Answer 1

3

Explanation:

Answer 2

The angle opposite angle 1

Explanation:

Opposite angles have the same degree when two lines intersect because they are vertical angles.