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"2 planes contain the same point" : sometimes, it is true. Logic: if 2 planes intersect, their intersection is a line and the line has many points. All points belongs to both planes --> 2 planes contain the same point is correct.
Four points lie on the same plane: sometimes, it is false --> green.
A line contain 4 non-coplanar pionts : Always wrong --> red
@Loser66 thank you so much! Are those the onnly ones?
Please let me know if I am wrong. :)
A plane contain 3 points: red Logic: a plane contain many points, not just 3
@AnimalLover8 I don't really understand the way you marked that
I put the correct colors over the bubble.
@Loser66 wait what about the one where you said a plane contains a three points is wrong, but cant they contain three at somepoint?
They always have more than three points.
Oh I thought in order to have a plane you had to have three points
when they say "a plane contains a 3 points" they meant the plane has exactly 3 points, no more. You are correct when saying 3 points form a plane but it doesn't mean that plain contains just those 3 points.
now which oe were you referring to when you drew that picture
why thank you
You are correct for the rest.
really? Thats good,okay let me send you what i end up with
2 planes contain the same point: green
which place I am trying to find which bubble
right top corner one.
Yay thank you! @Loser66 I am going to reaqd through my next lesson, could you possibly help me with my next assignments after I take a crack at them? DO you have email? or instagram?
a line and a plane intersect at exactly 1 point: green it is always true if the line is not on the plane it is sometimes true if the line is on the plane. In this case, it is not "exactly 1 point" but "infinite many points" Hence it is green
3lines that are //|dw:1441203736397:dw|
Hence it is green
2 planes that are // contain the same point : Red, never be!!