Question: Line segment CD is graphed on a coordinate plane. The line segment is reflected over the x-axis and then rotated 90° clockwise about the origin to create line segment EF. Which statement is always true about line segment EF?
A) Line segment EF is congruent to line segment CD.
B) Line segment EF is perpendicular to line segment CD.
C) Line segment EF is twice the length of line segment CD.
D) Line segment EF is one-half the length of line segment CD.
Correct answer: A
Grade: 8 | Topic: Geometry | Difficulty: Medium | Standard: 8.G.A.1