Apex 10 points help!!

∠ABC = 35°

Step-by-step explanation:

Given that, ∠BAC = 40° and ∠BCD = 75°,

∠BCA = 180° - 75° = 105°

∠ABC = 180 - ∠ BCA - ∠BAC

∠ABC = 180° - 105° - 40°

∠ABC = 35°

this excerpt is taken from the book “we shall not be moved : the women’s factory strike of 1909 “ and is written by joan dash. it is the story of the great strike when almost 30thousand women working in factories in america formed a union to fight unsafe working conditions, long working hours and miserable wages.

question: which best states the author’s purpose for including this information in the text?

answer: to challenge the reader’s ideas about a historical event