Triangle GHI is rotated 90Degrees clockwise and then reflected over the y-axis. Which congruency statement is true? On a coordinate plane, triangle G H I is rotated 90 degrees clockwise and then is reflected over the y-axis. Angle G is congruent to angle H is congruent to angle I Angle G double-prime is congruent to angle H double-prime is congruent to angle I double-prime Triangle G H I is congruent to triangle G double-prime H double-prime I double-prime Triangle G H I is congruent to triangle I H G