posted by .

suppose n points are in space, no three are collinear and no four or are coplanar. How many tetrahedral can be formed with these points as vertices?

1/24 *n*(n-1)*(n-2)*(n-3)

  • math -

    what is math

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 11th grade

    true or false. if three points are coplanar, they are collinear
  2. math

    Are three collinear points are always also coplanar points.
  3. Geometry

    Are three collinear points are always also coplanar points. Thanks
  4. geometry

    do u know of any object that has lines rays segments collinear points and coplanar points ?
  5. math

    how many different tetrahedrons are determined by ______ given no four are coplanar?
  6. math

    There are nine points on a piece of paper. No three of the points are collinear. How many different triangles can be formed by using three of the nine points as vertices?
  7. geometry

    Please help me to draw this figure four points that are not collinear,three points that are non-collinear,two points that are non-collinear,three points that are non-coplanar,a line containing A and X, three collinear points X,Y,Z, …
  8. math

    My son has been given the collinear problem below that has be stumped two folds. 1- By trying to solve the problem using (y2-y1)/(x2-x1)=slope -- and then, find the (b) in y=mx+b for two points takes way way too long to be a 7th grade …
  9. Maths

    Four non coplanar points are given. How many boxes have these points as vertices?
  10. math

    Points​ A, B,​ C, D, and E are coplanar and no three are collinear. In how many ways can the plane be named using only these​ points?

More Similar Questions