The figure shows quadrilateral ABCD

Question

reflected over the y-axis to produce quadrilateral A′B′C′D′
. What is the measure of ∠B′
?(1 point)
Responses

75°

120°

85°

80°

Answer 1

The measure of ∠B′ is equal to the measure of ∠B because reflecting a figure over the y-axis does not change the angles in the figure. Therefore, the measure of ∠B′ is 75°.