standard_description: Prove theorems about lines and angles. Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a perpendicular bisector of a line segment are exactly those equidistant from the segment’s endpoints.
problem_activity: Task
For each pair of figures, decide whether these figures are the same size and same shape. Explain your reasoning.
[IMG]
[IMG]
[IMG]
What does it mean for two figures to be the same size and same shape?


aligns: no