What is the frequency of a pendulum that completes one back and forth swing is 8.43 seconds?
Pick the one with correct units.
8.43 hertz
.12 hertz
8.43 seconds
.12 seconds

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv