Hi, can you check my answer! : )
20 points and brainliest!

read the passage in the photos!

how do the headings the author develop the ideas in this passage?

a) they provide additional information and details.

b) they define unfamiliar or technical terms.

c) they establish an organizational framework.

d) they set a purpose for the passage.

i chose answer d : )

What is the missing statement in step 3 of the proof? given: z1 is complementary to 22. 22 is complementary to 23. prove: m_1 = m23 m21 = m2 m2 1 + m22 = 90° m22 = m23 m22 + m23 = 180° 2 statements 21 is comp. to 22 2. 22 is comp. to 23 3. ? 4. mz1 - 90°-m22 m22+m23 = 90° 6. m23 = 90°-m22 7 m21 - m23 reasons 1. given 2. given 3. def of comp. zs 4. subtr equality prop. 5. def. of comp. 25 6 subtr. equality prop 17. trans. prop. vo