www.geogebra .org/classic
Use this to help you build it, you can change the color of the planes to!
Sketch and color/shade two distinct coplanar half-planes whose union is a half-plane. Make sure it is clear what is the edge and the two half-planes.
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Yeh but I dont understand how I can build it overall, but thx for the link it helped me on another problem. How is it possible for the union of two half-planes to be half-plane?
1 answer