CBSE Class 11 Introduction to 3D Worksheet C

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1. A point is in the XZ plane. What is the value of y co-ordinates?

2. What is the coordinator of XY plane

3. The point (-4, 2,5) lie in which octants.

4. The distance from origin to point (a,b,c) is:

5. Find the co-ordinates of the points which trisects the line segment PQ formed by joining the point P(4,2,-6) and Q(10,-16,6) 

6. Show that the point P(1,2,3), Q(-1,-2,-1), R(2,3, 2) and S (4,7,6)taken in order form the vertices of a parallelogram. Do these form a rectangle?

7. A point R with x co-ordinates 4 lies on the line segment joining the points P(2,-3,4)and Q(8,0,10)find the co-ordinates of the point R

8. If the points P(1,0,-6), Q(-3,P,q) and R(-5,9,6) are collinear, find the values of P and q

9. Three consecutive vertices of a parallelogram ABCD are A(3,-1,2), B(1,2,-4) and C(-1,1,2) find forth vertex D

10. If A and B be the points (3,4,5) and(-1,3,7) respectively. Find the eq. of the set points P such that PA² + PB² = K² where K is a constant 

Click on link below to download CBSE Class 11 Introduction to 3D Worksheet C.