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: Problem 3
Pre-unit
[IMG]
Label the tick marks on the number line.
Locate and label 45 and 62 on the number line.


aligns: no