Lines AB and CD are parallel. H B Which of the following transformations would prove that corresponding angles HGB and GFD are congruent? a) A rotation of line AB 180° about point G. O b) A rotation of line CD 180° about point G. A translation of the AB by the directed c) line segment GE. O d) A translation of line CD by the directed line segment FG.

Q: Let ä= and b =. Find k so that a and b will be orthogonal (form a 90 degree angle). k=

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Q: Which transt A'B'C are co

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A: Here is the solution:

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A: Step 1: Step 2: Step 3: Step 4: