the center bead of a pearl necklace has a 16 millimeter diameter . each successive bead in each direction is 3/4 the diameter of the previous one. find the diameter of the beads that are three away form the center bead

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.