Class 11 Maths NCERT Solutions Chapter 12 Introduction to 3d Geometry is developed and witten by our expert teachers. Students can study our solutions of Chapter 12 Introduction to 3d Geometry class 11 Maths, 1. Three vertices of a parallelogram ABCD are A(3, – 1, 2), B (1, 2, – 4) and C (– 1, 1, 2). Find the coordinates of the fourth vertex. , 2. Find the lengths of the medians of the triangle with vertices A (0, 0, 6), B (0,4, 0) and (6, 0, 0)., 3. If the origin is the centroid of the triangle PQR with vertices P (2a, 2, 6), Q (– 4, 3b, –10) and R(8, 14, 2c), then find the values of a, b and c., 4. Find the coordinates of a point on y-axis which are at a distance of 5 root 2 from the point P (3, –2, 5). , 5. A point R with x-coordinate 4 lies on the line segment joining the points P(2, –3, 4) and Q (8, 0, 10). Find the coordinates of the point R., 6.If A and B be the points (3, 4, 5) and (–1, 3, –7), respectively, find the equation of the set of points P such that ....
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