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5 votes
May I please get help with this for I am confused and have tried many times to re-create the reflection of the triangle

May I please get help with this for I am confused and have tried many times to re-example-1

1 Answer

2 votes

We have to reflect the triangle across the y-axis.

If we have a point P = (x,y) and we reflect it across the y-axis, we will change the x-coordinate to its opposite value and and the y-coordinate is kept the same.

The image point then is P' = (-x,y).

Then, to reflect the triangle, we have to reflect the three vertices and then join the vertices.

We can then reflect the vertices as:

May I please get help with this for I am confused and have tried many times to re-example-1
User Roboren
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