EduSahara™ Assignment
Name : Geometric Figure Properties and Collinearity
Chapter : Coordinate Geometry
Grade : SSC Grade X
License : Non Commercial Use
Question 1
1.
    • The points
    • (
      7
      ,
      (
      −
      8
      )
      )
    • ,
    • (
      (
      −
      6
      )
      ,
      (
      −
      3
      )
      )
    • and
    • (
      (
      1

      2
      −
      5

      2

      √


      3
      )
      ,
      (
      −
      11

      2
      −
      13

      2

      √


      3
      )
      )
    • represent
  • (i)
    isosceles triangle
  • (ii)
    right angled triangle
  • (iii)
    equilateral triangle
  • (iv)
    scalene triangle
Question 2
2.
    • The points
    • (
      3
      ,
      6
      )
    • ,
    • (
      8
      ,
      5
      )
    • and
    • (
      32

      5
      ,
      10
      )
    •  
    • represent
  • (i)
    equilateral triangle
  • (ii)
    right angle triangle
  • (iii)
    scalene triangle
  • (iv)
    isosceles triangle
  • (v)
    collinear points
Question 3
3.
    • The points
    • (
      (
      −
      4
      )
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      0
      ,
      3
      )
    • ,
    • (
      4
      ,
      (
      −
      1
      )
      )
    • and
    • (
      0
      ,
      (
      −
      5
      )
      )
    •  
    • represent
  • (i)
    rectangle
  • (ii)
    trapezium
  • (iii)
    parallelogram
  • (iv)
    square
  • (v)
    rhombus
Question 4
4.
    • The points
    • (
      (
      −
      3
      )
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      4
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      8
      ,
      3
      )
    • and
    • (
      1
      ,
      3
      )
    • represent
  • (i)
    rectangle
  • (ii)
    parallelogram
  • (iii)
    trapezium
  • (iv)
    square
  • (v)
    rhombus
Question 5
5.
    • The points
    • (
      (
      −
      5
      )
      ,
      (
      −
      5
      )
      )
    • ,
    • (
      1
      ,
      (
      −
      5
      )
      )
    • ,
    • (
      1
      ,
      0
      )
    • and
    • (
      (
      −
      5
      )
      ,
      0
      )
    • represents
  • (i)
    rectangle
  • (ii)
    square
  • (iii)
    trapezium
  • (iv)
    parallelogram
  • (v)
    rhombus
Question 6
6.
    • The points
    • (
      7
      ,
      1
      )
    • ,
    • (
      (
      −
      6
      )
      ,
      (
      −
      7
      )
      )
    • and
    • (
      2
      ,
      5
      )
    • represent
  • (i)
    collinear points
  • (ii)
    scalene triangle
  • (iii)
    right angle triangle
  • (iv)
    equilateral triangle
  • (v)
    isosceles triangle
Question 7
7.
    • The points
    • (
      (
      −
      5
      )
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      (
      −
      1
      )
      ,
      2
      )
    • and
    • (
      3
      ,
      (
      −
      2
      )
      )
    • represent
  • (i)
    isosceles right angled triangle
  • (ii)
    collinear points
  • (iii)
    right angle triangle
  • (iv)
    scalene triangle
  • (v)
    equilateral triangle
Question 8
8.
    • The points
    • (
      (
      −
      1
      )
      ,
      (
      −
      3
      )
      )
    • ,
    • (
      5
      ,
      (
      −
      3
      )
      )
    • and
    • (
      5
      ,
      1
      )
    • represent
  • (i)
    scalene triangle
  • (ii)
    equilateral triangle
  • (iii)
    collinear points
  • (iv)
    right angle triangle
  • (v)
    isosceles right angled triangle
Question 9
9.
    • The points
    • (
      (
      −
      6
      )
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      (
      −
      1
      )
      ,
      (
      −
      7
      )
      )
    • ,
    • (
      4
      ,
      (
      −
      2
      )
      )
    • and
    • (
      (
      −
      1
      )
      ,
      3
      )
    •  
    • represent
  • (i)
    rectangle
  • (ii)
    parallelogram
  • (iii)
    square
  • (iv)
    trapezium
  • (v)
    rhombus
Question 10
10.
    • The points
    • (
      (
      −
      8
      )
      ,
      (
      −
      8
      )
      )
    • ,
    • (
      8
      ,
      8
      )
    • and
    • (
      40

      23
      ,
      40

      23
      )
    • represents
  • (i)
    collinear points
  • (ii)
    right angle triangle
  • (iii)
    isoceles triangle
  • (iv)
    equilateral triangle
Question 11
11.
    • Find the value of k such that the points
    • (
      (
      −
      5
      )
      ,
      7
      )
    • ,
    • (
      (
      −
      13

      5
      )
      ,
      26

      5
      )
    • and
    • (k,4)
    • are collinear
  • (i)
    -4
  • (ii)
    0
  • (iii)
    -2
  • (iv)
    -1
  • (v)
    2
Question 12
12.
    • Find the value of k such that the points
    • (
      (
      −
      4
      )
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      (
      −
      14

      3
      )
      ,
      (
      −
      2

      9
      )
      )
    • and
    • (-7,k)
    • are collinear
  • (i)
    7
  • (ii)
    5
  • (iii)
    3
  • (iv)
    6
  • (v)
    9
Question 13
13.
Which of the following sets of points are collinear?
  • (i)
    (
    3
    ,
    8
    )
    ,
    (
    (
    −
    3
    )
    ,
    (
    −
    7
    )
    )
    ,
    (
    (
    −
    6
    )
    ,
    (
    −
    2
    )
    )
  • (ii)
    (
    4
    ,
    1
    )
    ,
    (
    (
    −
    1
    )
    ,
    3
    )
    ,
    (
    7
    ,
    6
    )
  • (iii)
    (
    (
    −
    1
    )
    ,
    (
    −
    1
    )
    )
    ,
    (
    4
    ,
    (
    −
    2
    )
    )
    ,
    (
    2
    ,
    (
    −
    8

    5
    )
    )
  • (iv)
    (
    1
    ,
    (
    −
    3
    )
    )
    ,
    (
    5
    ,
    (
    −
    7
    )
    )
    ,
    (
    (
    −
    8
    )
    ,
    2
    )
  • (v)
    (
    (
    −
    6
    )
    ,
    0
    )
    ,
    (
    2
    ,
    3
    )
    ,
    (
    3
    ,
    7
    )
Question 14
14.
    • Find the area of the quadrilateral formed by
    • (
      (
      −
      5
      )
      ,
      6
      )
    • ,
    • (
      0
      ,
      11
      )
    • ,
    • (
      (
      −
      4
      )
      ,
      13
      )
    • and
    • (
      (
      −
      7
      )
      ,
      12
      )
  • (i)
    27
  • (ii)
    25
  • (iii)
    26
  • (iv)
    22
  • (v)
    24
Question 15
15.
    • Find the relation between x and y if the points
    • (
      x
      ,
      y
      )
    • ,
    • (
      (
      −
      4
      )
      ,
      (
      −
      2
      )
      )
    • and
    • (
      1
      ,
      4
      )
    • are collinear
  • (i)
    (
    6
    x
    −
    5
    y
    +
    14
    )
    =
    0
  • (ii)
    (
    6
    x
    −
    12
    y
    )
    =
    0
  • (iii)
    (
    −
    3
    x
    +
    12
    y
    −
    24
    )
    =
    0
  • (iv)
    (
    −
    3
    x
    +
    5
    y
    −
    17
    )
    =
    0
  • (v)
    (
    −
    7
    y
    +
    28
    )
    =
    0
Question 16
16.
    • Find the area of the triangle
    • formed by the points
    • (
      6
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      (
      −
      1
      )
      ,
      (
      −
      3
      )
      )
    • and
    • (
      (
      −
      4
      )
      ,
      (
      −
      6
      )
      )
  • (i)
    9
  • (ii)
    11
  • (iii)
    6
  • (iv)
    8
  • (v)
    10
Question 17
17.
    • Find the perimeter of the triangle formed by the points
    • (
      (
      −
      5
      )
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      3
      ,
      5
      )
    • and
    • (
      4
      ,
      2
      )
  • (i)
    (
    10
    +
    4
    4
    √


    10
    )
  • (ii)
    (
    7
    +
    4

    √


    10
    )
  • (iii)
    (
    13
    +
    4

    √


    10
    )
  • (iv)
    (
    10
    +
    4

    √


    10
    )
  • (v)
    (
    10
    +
    40
    )
Question 18
18.
    • Find the lengths of the sides of the triangle formed by the points
    • (
      (
      −
      5
      )
      ,
      (
      −
      5
      )
      )
    • ,
    • (
      (
      −
      3
      )
      ,
      7
      )
    • and
    • (
      4
      ,
      (
      −
      6
      )
      )
  • (i)
      • 2

        √


        37
      • ,

      • √


        218
      • ,

      • √


        82
  • (ii)
      • 2

        √


        37
      • ,

      • √


        218
      • ,

      • √


        84
  • (iii)
      • 2

        √


        37
      • ,
      • 218
      • ,

      • √


        82
  • (iv)
      • 2
        4
        √


        37
      • ,

      • √


        218
      • ,

      • √


        82
    Assignment Key

  •  1) (iii)
  •  2) (iv)
  •  3) (iv)
  •  4) (ii)
  •  5) (i)
  •  6) (ii)
  •  7) (i)
  •  8) (iv)
  •  9) (v)
  •  10) (i)
  •  11) (iv)
  •  12) (iv)
  •  13) (iii)
  •  14) (ii)
  •  15) (i)
  •  16) (i)
  •  17) (iv)
  •  18) (i)