How do you find the angle for 2?

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?