# Math - Geometry

posted by .

If more than one plane contains three points A,B, and C, what must be true?
A)AB is perpendicular to BC
B)A,B, and C are noncollinear
C)A,B, and C are collinear
D)AB=BC

• Math - Geometry -

Just use your right hand for one plane and your left hand for a second plane.
Intersect our flat right hand with your flat right hand.
They meet in a line.
All points that are in both planes lie on that line.

• Math - Geometry -

gb

## Similar Questions

1. ### math

the number of noncollinear points needed to determine a circle Two. The location of the center, and one point on the circle (ie, the length of radius), you have determined the circle. However, the circle thus determined can be an an …
2. ### geometry

Decide which one of the following statements is false. a. any three points lie on a distinct line. b. three noncollinear points determine a plane. c. a line contains at least two points. d. through any two distinct points there exists …
3. ### Math - explanation

This is an example in the text book. Using vectors, demonstrate that the three points A(5, -1), B(-3,4) and C(13,-6) are collinear. Solution AB = (-8, 5) BC = (16, -10) Then BC = 2AB AB and BC have the opposite direction, so the points …
4. ### geometry

User: Courtney Thompson In Course: Geometry V8 ( 2167) Instructor: Tracie Morgan -------------------------------------------------------------------------------- WARNING: You must not leave this exam form! If you try to click back …
5. ### Math

Three points D, E, and F are collinear. Is there only one plane that contains these three points?
6. ### Math

Determine whether the following statements are always,sometime, or never true.Explain 1.Three points determine a plane. 2.The intersection of two planes can be a point. 1.Never true, the three points must be noncollinear. 2.Never true, …
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. ### geometry

How can 3 noncollinear points determine a plane
9. ### Geometry (Checking)

2.) Which is true about both Pappus's Theorem and Desargues' Theorem?
10. ### Geometry

Plane R contains points ,M,and Y. Plane Z intersects with plane R at SM, AY intersects plane R at point Y. . Point A is not in plane Z or plane R. MY forms a right angle with MS. A. What is measure of < SMY?

More Similar Questions