I need an answer to this question

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Nikolas calculated the volume of the prism. his work is shown below.

If chord ab is congruent to chord cd, then what must be true about ef and eg?