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After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A (6.3), B'(-2.1) and C (1, 7). What are the coordinates of the vertices of the pre-image?
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After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A (6.3), B'(-2.1)

and C (1, 7). What are the coordinates of the vertices of the pre-image?

User Erki Aring
by
8.0k points

1 Answer

2 votes

Answer:

A(3,-6) B(1,2) C(7,-1)

Explanation:

The answers on edge 2020

User Naoto
by
8.6k points
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