Originally Posted by jam2011
?? There is no verb in the conclusion! Added: Oh! "form", not "from". A convex set has the property that, if two points are in the then so is the line segment between them. Imagine a circle with center at the "removed" point and two points at the ends of a diameter.
A 2. If a single point is removed from a plane, then the remaining points from a
The three coordinate planes in a coordinate system divide space into 8 sets.
No answer 3. There are at least 8 sets into which space can be separated by
four different planes'
S 4. Two circles must intersect in a point.
S 5. Three angles lying in one plane may have a common side.
No! Look up the definition of "linear pair" and contrast it with "vertical angles".
A 6. If the sides of two angles are two pairs of opposite rays then the angles form a
What about two right angles?
A 7. A supplementary pair consist of an acute and an obtuse angle.
Okay- can be but dont have to be.
S 8. If three points are coplanar then they must be collinear.
[qiote]N 9. A complementary pair is a supplementary pair.[/quote]
That contradicts the definition of "half plane" given here:
A. 10. A half plane contains its edge.
half plane: Definition from Answers.com
What definition are you using?
Gud day! Here's another problem..i try to answer these question yet i have doubt of answer. Can anyone please check my work? Thank you so much(Happy)