 , 03.12.2019 03:35 kkbrookly7496

# 1. let's say you opened your laptop and positioned thescreen so it's exactly at 90° - a right angle - from yourkeyboard. now, let's say you could take the screen andpush it all the way down beyond 90°, until the back of thescreen is flat against your desk. it looks as if the angledisappeared but hasn't. what is the angle called, andwhat is the measurement? a. straight angle at 180°b. linear angle at 90°c. collinear angle at 120°d. horizontal angle at 180°​   ### Another question on Mathematics Mathematics, 04.02.2019 03:43
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On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.
1. let's say you opened your laptop and positioned the
screen so it's exactly at 90° - a right...
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