What I Have Learned Activity 4. Watch It Right! Directions: Put a check (~) mark in the box if the statement is right and (X) mark if it is not. 7. 2. 5. Arc is a part of a circumference of a circle. In the same circle, congruent chords have congruent arcs. 3. A chord is an arc which endpoints are on a given circle. Two circles are congruent if their radii are congruent. A radius is the longest chord in a circle. Congruent arcs in the same circle, have congruent chords. When the diameter is drawn in a circle, the chord is bisected. Congruent chords in congruent circies have congruent arcs. When a diameter is drawn in a circle and is perpendicular to a chord, the arc of the chord is bisected, . 10. All diameters are chords, but not all chords are diameters. 2 8. 9. a​