Eric reflected parallelogram abcd across the x-axis. if angle a is 125° and angle b is 55°, what is the degree measurement of angle a'?
55°
180°
70°
125°
i think its 125

The answer is (d) 125°.

Step-by-step explanation:  Given that Eric reflected the parallelogram ABCD across the X-axis, where ∠A = 125° and ∠B = 55°. We are t find the measure of  ∠A'.

As shown in the attached figure, A'B'C'D' is the image of the parallelogram ABCD across X-axis.

We know that the rigid transformations that include reflection, rotation, glide reflection, etc preserves the side lengths and angles of a figure. We can also see that the measure of ∠A' is same as the measure of ∠A. Therefore, ∠A = 125°.

Thus, the correct option is (d) 125°.