https://cdn.ple.platoweb.com/EdAssets/95794c64b0b443dc8094105d109f4652?ts=635446438532000000
Which of the following sequences of transformations could have been performed to show that the two figures above are congruent?

a translation 9 units right, a rotation 180° clockwise about the origin, a translation 9 units right, and then a reflection across the y-axis
a reflection across the x-axis, a reflection across the y-axis, and then a reflection across the x-axis
a rotation 270° counterclockwise about the origin, a translation 9 units left, and then a reflection across the x-a

Question

https://cdn.ple.platoweb.com/EdAssets/95794c64b0b443dc8094105d109f4652?ts=635446438532000000
Which of the following sequences of transformations could have been performed to show that the two figures above are congruent?

    a translation 9 units right, a rotation 180° clockwise about the origin, a translation 9 units right, and then a reflection across the y-axis
    a reflection across the x-axis, a reflection across the y-axis, and then a reflection across the x-axis
    a rotation 270° counterclockwise about the origin, a translation 9 units left, and then a reflection across the x-a