I cant see the rest of the passage, but im taking a guess that it is no.2!
Answer:
Chords that have an equal length are called congruent chords. An interesting property of such chords is that regardless of their position in the circle, they are all an equal distance from the circle's center. The distance is defined as the length of a perpendicular line from a point to a line.
Answer:
virtual high fives
Explanation:
everyone sometimes needs a high five from a hard day of work
