Select the answer that shows the definition of a right angle.

choice 'a' an angle, formed by two opposite lines, that measures exactly 90°
choice 'b' an angle, formed by two intersecting lines, that measures exactly 90°
choice 'c' an angle, formed by two opposite lines, that measures exactly 180°
choice 'd' an angle, formed by two intersecting lines, that measures exactly 180°

24

step-by-step explanation:

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