Math Is Fun Forum

mathster

Member

Registered: 2015-10-09

Posts: 15

3D Geometry.

Let

be a cube of side length 5, as shown. Let

and

be points on

and

, respectively, such that

and

. The plane through

,

, and

intersects

at

. Find

.

Could someone please give me the answer with a solution? I don't understand vectors.
Thanks.

Bob

Administrator

Registered: 2010-06-20

Posts: 10,134

Re: 3D Geometry.

hi mathster

http://www.mathisfunforum.com/viewtopic … 39#p301439

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob