[3rd Year Junior High Math] Found the intersection, but stuck again on triangle area | Two ways to solve parabolas and lines

I finally found the two intersection points of the parabola and the line.Just when I thought, "That's it!", the end of the ...
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Intersection Math & Algorithms - Learn to Derive

Let's start with a mathematical description of primitives we're going to intersect. For this article I've used just ray (line), plane, sphere, axis-aligned bounding box and triangle ... these should ...