abbyheule1440
05.09.2021 •
Mathematics
A triangle has vertices at (−3, 4), (−1, 0), and (−4, 0). What are the coordinates of the vertices after it is rotated 180∘ about the origin?
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Ответ:
(3, -4 ) (1,0 ) (4,0 )
Step-by-step explanation:
Ответ:
Step-by-step explanation:
Right triangle ABC is reflected over AC to form triangle AFC.
Triangle AFC dilated by a scale factor of two-thirds to form triangle DEC.
Reflection is a rigid transformation which preserves lengths and angles, then
Dilation is a transformation which maps the triangle into similar triangle, so
Thus,
Similar triangle have congruent corresponding angles, so
and proportional corresponding sides
Thus, correct options are: