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Triangles — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsTriangles1 Mark
MCQ
It is not possible to construct a triangle when the lengths of its sides are:
  • A
    5.3cm, 2.2cm, 3.1cm
  • B
    6cm, 7cm, 8cm
  • C
    4cm, 6cm, 6cm
  • D
    9.3cm, 5.2cm, 7.4cm
✓

Answer

  1. 5.3cm, 2.2cm, 3.1cm
    Solution:
    Put the sidesof triangle a, b, c
    For a possible triangle the following are should possible.
    a + b > = c
    b + c > = a
    a + c > = b
    Here, 2.2 + 3.1 = 5.3
    So, a + b = c
    So the triangle becomes a streight line.
    So we cannot draw a triangle with sides 5.3cm, 2.2cm, 3.1cm.

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