To calculate: The coordinates of
Answer to Problem 12PT
The new coordinates of
Explanation of Solution
Given information:
The coordinates of
Calculation:
Consider the coordinates of triangle
The vertex matrix form is provided below,
According to the question the triangle is rotated 90 degrees counterclockwise about the origin.
For the new coordinates of the triangle the old vertex matrix must be multiplied with
Therefore,
Now, new coordinates
Thus, the new coordinates of
Chapter 4 Solutions
Algebra 2
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