I have a question about enlarging a triangle by a point projection from the origin of a coordinate plane. I have to find the ratio of the area of the original triangle to the ratio of the area of the new, enlarged triangle and have no idea how to do this. Help?

Question

I have a question about enlarging a triangle by a point projection from the origin of a coordinate plane.  I have to find the ratio of the area of the original triangle to the ratio of the area of the new, enlarged triangle and have no idea how to do this.  Help?

imstuck · Answer

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This is a picture of the projected triangles.