Challenge Problems for 7-3

Challenge Problems for 7-3
Your quiz for this lesson will be a proof of one of the following:
1. If two lines intersect to form a linear pair of congruent 2. If two lines are perpendicular, then they intersect to
angles, then the lines are perpendicular.
form four right angles.
3. If two sides of two adjacent acute angles are
perpendicular, then the angles are complementary.
4. If a transversal is perpendicular to one of two parallel
lines, then it is perpendicular to the other.
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