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Practical Geometry — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSPractical Geometry1 Mark
MCQ
With the help of ruler and compass, it is not possible to construct an angle of:
  • A
    $37.5^\circ $
  • ✓
    $40^\circ $
  • C
    $22.5^\circ $
  • D
    $67.5^\circ $
✓

Answer

Correct option: B.
$40^\circ $
With the help of a ruler and a compass, we can construct the angels, $90^\circ , 60^\circ , 45^\circ , 22.5^\circ , 30^\circ ,$
etc.i.e., the multiples of $15^\circ $ and its bisector of an angle.
So, it is not possible to construct an angle of $40^\circ $

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