Line segment cd is shown on a coordinate grid:

a coordinate plane is shown. line segment cd has endpoints 1 comma 2 and 1 comma negative 1.

the line segment is reflected about the y-axis to form c'd'. which statement describes c'd'?
c'd' is perpendicular to cd.
c'd' is half the length of cd.
c'd' is greater than twice the length of cd.
c'd' and cd are equal in length.

question 3(multiple choice worth 4 points)

(02.02)a rotation is shown in the drawing:

a blue triangle is shown labeled figure k. a dotted line shows a right turn to a green triangle labeled figure k prime. the new image is directly above the original.

which statement best describes the rotation?
clockwise 90-degree rotation
clockwise 180-degree rotation
counterclockwise 90-degree rotation
counterclockwise 180-degree rotation