The figure shows two triangles on the coordinate grid:
A coordinate grid is shown from positive 6 to negative 6 on the xaxis and from positive 6 to negative 6 on the yaxis. A triangle ABC is shown with vertex A on ordered pair negative 4, negative 1, vertex B on ordered pair negative 3, negative 1 and vertex C on ordered pair negative 4, negative 4. Another triangle A prime B prime C prime is shown with vertex A prime on ordered pair negative 1, 1, vertex B prime on ordered pair negative 2, 1, and vertex C prime on ordered pair negative 1, 4.
What set of transformations is performed on triangle ABC to form triangle A'B'C'?
A translation 5 units up, followed by a 270degree counterclockwise rotation about the origin
A 270degree counterclockwise rotation about the origin, followed by a translation 5 units up. I think its this one.
A 180degree counterclockwise rotation about the origin, followed by a translation 5 units to the right
A translation 5 units to the right, followed by a 180degree counterclockwise rotation about the origin
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2 answers

the answer is > A translation 5 units to the right, followed by a 180degree counterclockwise rotation about the origin
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answered by violet 
geez, you have a problem with using actual math notation? Try saying
A triangle ABC is shown with vertices
A = (4,1)
B = (3,1)
C = (4,4)
Another triangle A'B'C' shown with vertices
A' = (1,1)
B' = (2,1)
C' = (1,4)
Now, isn't that a lot easier to handle?
Clearly it was rotated 180°
so, what else? 👍
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answered by oobleck
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