A. The parallelogram must have been rotated by 90°.
B. The parallelogram must have been rotated by 180°.
C. The parallelogram must have been rotated by 360°.
D. The parallelogram could have been rotated by any number of degrees.
4.Suppose you have triangle ABC and triangle DEF, and they are similar, with a scale factor of 0.5. If the angle measures of ABC are 80°, 80°, 20°, what are the measures of the angles in DEF?
A. 40°, 40°, and 10°
B. 40°, 40°, and 100°
C. 80°, 80°, and 20°
D. Cannot be determined.
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