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anonymous
 one year ago
Triangles DEF and D'E'F' are shown on the coordinate plane below:
What rotation was applied to triangle DEF to create triangle D'E'F'?
a. 90° clockwise
b. 180°
c. None of the above
d. 90° counterclockwise
anonymous
 one year ago
Triangles DEF and D'E'F' are shown on the coordinate plane below: What rotation was applied to triangle DEF to create triangle D'E'F'? a. 90° clockwise b. 180° c. None of the above d. 90° counterclockwise

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LynFran
 one year ago
Best ResponseYou've already chosen the best response.1for point f(6,3)\[\left[\begin{matrix}1 & 0 \\ 0 & 1\end{matrix}\right]\left(\begin{matrix}6 \\ 3\end{matrix}\right)=\left(\begin{matrix}6 \\ 3\end{matrix}\right)\] ...for point D(1,6)\[\left[\begin{matrix}1 & 0 \\ 0 & 1\end{matrix}\right]\left(\begin{matrix}1 \\ 6\end{matrix}\right)=\left(\begin{matrix}1 \\ 6\end{matrix}\right)\]...for point E(1,3)\[\left[\begin{matrix}1 & 0 \\ 0 & 1\end{matrix}\right]\left(\begin{matrix}1 \\ 3\end{matrix}\right)=\left(\begin{matrix}1 \\ 3\end{matrix}\right)\]...........180 degree rotation

LynFran
 one year ago
Best ResponseYou've already chosen the best response.1i know @Gunboss i just added the proof/explanation for y its that...........
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