Explain WHY a rotation of 180° is the same as doing reflection over the x-axis AND the y-axis?
1 answer:
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Answer:
From the attached graphic, we can see:
(SP + PR) * PR = (WQ + QR) * QR
SP * PR + PR^2 = WQ * QR + QR^2
4 SP + 4*4 = 8 * 5 + 25
4 SP + 16 = 65
4 SP = 49
SP = 49 / 4
SP = 12.25
Step-by-step explanation:
Answer: (c)
The vector in the graph (c) has a magnitude of about
and the angle slightly less than 45 degrees from the x-axis as can be judged from the fact that it crosses the first box just below the point (-2,-2). This is the main distinction between (c) and (a) which is also similar in magnitude, however has an angle that is just larger than 45 degrees.