Complete the statements about circle z.

a central angle, such as angle of circle z, is an angle whose vertex is and whose sides are radii of the circle.

angle is not a central angle of circle z.

the degree measure of an arc is the degree measure of the central angle that intercepts it.

the measure of is degrees.

Of the following, which statement or statements accurately reflect a way in which credit can be safer than cash? i. if your credit card gets stolen, you can cancel it and get your money back. ii. it is harder to lose a single credit card than a large number of bills. iii. if a merchant does not honor the agreement, you can call the credit company and dispute the charges. a. i and iii b. ii only c. iii only d. i, ii, and iii