What is the missing reason for the 5th step in the proof below A. Simplification of equation from previous step B. Definition of complementary angles C. Substitution D. Definition of a linear pair

anser is a

step-by-step explanation:

negitive slope

sas (side angle side)

aa (angle angle)

sss(side side side)

sas find two sides with an angle in between

aa is finding two angles and the third will add up to 180

sss find all sides

step-by-step explanation:

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]