jakhunter354

19.10.2019 • 

Mathematics

Triangle rst was transformed using the rule (x, y) → (–x, –y). the vertices of the triangles are shown.

r (1, 1) r' (–1, –1)
s (3, 1) s' (–3, –1)
t (1, 6) t' (–1, –6)

which best describes the transformation?

the transformation was a 90° rotation about the origin.
the transformation was a 180° rotation about the origin.
the transformation was a 270° rotation about the origin.
the transformation was a 360° rotation about the origin.

Ответ:

kayleahwilliams6

07.01.2022

Mathematics

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The transformation using the rule (x, y) → (–x, –y) is a refrection across the line y = x about the origin.

Clearly from the coordinates given, it can be seen that the original triangle is in the first quadrant and the image is in the third quadrant.

Therefore, the transformation was a 180° rotation about the origin.

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Ответ:

harmony000011

10.09.2022

Mathematics

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The answer is 95 - it has only four factors which are 1,5,19 and 95.

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