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Lines and Angles — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSLines and Angles1 Mark
MCQ
Which one of the following statement is not false$?$
  • A
    If two angles forms a linear pair, then each of these angles is of measure $90^\circ .$
  • B
    Angles forming a linear pair can both be acute angles.
  • ✓
    One of the angles forming a linear pair can be obtuse angle.
  • D
    Bisectors of the adjacent angles form a right angle.
✓

Answer

Correct option: C.
One of the angles forming a linear pair can be obtuse angle.
Since when two angles form linear pair they are supplementary, they add up to form $180$ degrees.
Hence, one angle has to be acute and other angle obtuse if there sum is $180$ degrees.

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