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The mid-points of the sides of a triangl...

The mid-points of the sides of a triangle are `(1,5,-1),(0,4,-2)a n d(2,3,4)dot` Find its vertices.

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To find the vertices of the triangle given the midpoints of its sides, we can use the coordinates of the midpoints and the properties of midpoints in a triangle. Let's denote the vertices of the triangle as \( A(x_1, y_1, z_1) \), \( B(x_2, y_2, z_2) \), and \( C(x_3, y_3, z_3) \). The midpoints of the sides of the triangle are given as: - Midpoint of \( AB \) is \( M_1(1, 5, -1) \) - Midpoint of \( BC \) is \( M_2(0, 4, -2) \) - Midpoint of \( CA \) is \( M_3(2, 3, 4) \) ### Step 1: Set up the equations for the midpoints ...
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RD SHARMA-INTRODUCTIONS TO 3-D COORDINATE GEOMETRY-Solved Examples And Exercises
  1. Show that the plane a x+b y+c z+d=0 divides the line joining the point...

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  2. Find the ratio in which the line joining the points (1,2,3)a n d(-3...

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  3. The mid-points of the sides of a triangle are (1,5,-1),(0,4,-2)a n d(2...

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  4. Find the distance between the points P" "(1," "3," "4) and Q" "(" -"4,...

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  5. Prove by using distance formula that the points A(1,2,3),B(-1,-1,-1)an...

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  6. Determine the point in X Y-p l a n e whcih is equidistant from three p...

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  7. Show that the points A(0,1,2),B(2,-1,3)a n dC(1,-3,1) are vertices of ...

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  8. Find the coordinates of a point equidistant from th four points O(0,0,...

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  9. Find the point on y-axis which is equidistant from the points (3,1,2)...

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  10. Prove that the triangle formed by joining the three points whose co...

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  11. The lines joining the vertices of a tetrahedron to the centroids of...

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  12. Using the section formula, prove that the three pints A(-2,3,5),B(1...

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  13. Find the coordinates of the points which trisect the line segment A...

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  14. Find the ratio in which the join the A(2,1,5)a n dB(3,4,3) is divided ...

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  15. In fig. 28.7 if the coordinates of point P\ a r e\ (a , b , c) then Wr...

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  16. Planes r drawn parallel to the coordinate planes through the point P(x...

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  17. Name the octants in which the following points lie: (5,2,3)

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  18. Name the octants in which the following points lie: (-5,-4,7)

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  19. Name the octants in which the following points lie: (-5,4,3)

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  20. Name the octants in which the following points lie: (-5,-3,-2)

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