What is this question based off of
Answer:
The Mockingbird symbolizes innocence, so the title suggests that innocence is being killed or destroyed. The tree near the Radley House represents Jem and Scout's friendship with Boo.
Explanation:
The mockingbird, the mad dog, and the tree by the Radley House are important symbols that are within the novel.
As far as I remember, a triangle equals 180 degrees. 31+35=66. 180-66=114. 114/38=3. So b=3.