What are the new vertices of triangle UVW if the triangle is reflected across the y-axis?

ShivaPrasad asked Apr 22, 2023

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ShivaPrasad asked Apr 22, 2023

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20 votes

to reflect with respect to the y axis we must change the sign of the first coordinate of each point

in this way

$(x,y)\longrightarrow(-x,y)$

Omnichad answered Apr 27, 2023

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