TRUE OR FALSE.

1. Two circles are said to be congruent if and only if they have congruent radii.

2. Two arcs of the same circle or congruent circles are congruent if and only if they have equal measures.

3. In a circle or in congruent circles, two minor arcs are congruent if and only if their corresponding central angles are congruent.

4. The measure of the central angle and the intercepted minor are are congruent.

5. In a circle or in congruent circles, two minor arcs are congruent if and only if their corresponding chords are not congruent.

6. In a circle, a diameter bisects a chord and an arc with the same endpoints if and only if it is PARALLEL to the chord.

7. All diameters are chords but not all chords are diameter.

8. In Pythagorean Theorem, the square of the hypotenuse is equal to the sum of the squares of the two legs.

9. In a circle, if an angle is inscribed to it, then half the measure of the intercepted arc is the measure of the inscribed angle.

10. The vertex of any inscribed angle is any point on the circle.

11. In a circle, the inscribed angles subtended by the same arc are equal.

12. In a circle, if an angle inscribed to it intercepts a semicircle, it forms a right angle which measures exactly 90 degrees.

13. An inscribed figure is drawn inside a polygon

14. A circumscribed figure is drawn outside a polygon.

15. In a circle, if a quadrilateral is inscribed to it, then its opposite angles are supplementary,

16. The sum of the interior angles of a quadrilateral is 360 degrees.

17. Supplementary angles are angles whose sum is 180.

18. Postulate is a statement that is accepted without prior proof.

19. Arc addition postulate states that the arc formed by two adjacent arcs is the sum of the measure of the two arcs.

20. Adjacent arcs are arcs that have exactly TWO points in common. II. Give the measure of the following angles / arcs.

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