1. let's say you opened your laptop and positioned the
screen so it's exactly at 90° - a right...
Mathematics, 03.12.2019 04:31 iyanistacks50
1. let's say you opened your laptop and positioned the
screen so it's exactly at 90° - a right angle - from your
keyboard. now, let's say you could take the screen and
push it all the way down beyond 90°, until the back of the
screen is flat against your desk. it looks as if the angle
disappeared but hasn't. what is the angle called, and
what is the measurement?
a. straight angle at 180°
b. linear angle at 90°
c. collinear angle at 120°
d. horizontal angle at 180°
Answers: 2
Mathematics, 21.06.2019 17:00
Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .
Answers: 1
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