# Distance between point and plane (vectors)Watch

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#1
What s the distance from the point (0,1,0) and the plane which passes through (1,0,0) parallel to x=0?

We can represent the plane in the form of a vector using:
I know it passes through (1,0,0) so I can say
But I'm not sure what or are.
Once I have found these I would use the formula: to work out the distance but I'm not entirely sure. Can somebody please help me.
0
5 years ago
#2
Wouldn't this be where you'd stop and say: "Trivially, the answer is 1"?
2
#3
(Original post by Chwirkytheappleboy)
Wouldn't this be where you'd stop and say: "Trivially, the answer is 1"?
Haha, I can see how you would have obtained that by observation, but since this is new to me I'm trying to do the question using the formula we've been given. Thanks for the reply
0
5 years ago
#4
(Original post by TekWarfare)
What s the distance from the point (0,1,0) and the plane which passes through (1,0,0) parallel to x=0?

We can represent the plane in the form of a vector using:
I know it passes through (1,0,0) so I can say
But I'm not sure what or are.
is a general point on the plane.

is a normal to the plane. Since your plane is parallel to the plane x=0, they will have the same normals. A plane with equation x=0 has a normal of (1,0,0).

Once I have found these I would use the formula: to work out the distance but I'm not entirely sure. Can somebody please help me.
0
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