Question

Angles A and B are vertical angles. If mZA = 155 then what must be the measure of angle B?
mZB=
degrees

Answer 1

Answer:

Angle B is 155 degrees

Step-by-step explanation:

Vertical angles are congruent; they have the same angle measure.

$m\angle{A} = 155 \cong m\angle{B} = 155$