CTET Paper 1 · Mathematics-CTET

Which of the following statements is not true?

  1. Sum of two acute angles can be equal to a straight angle.
  2. Sum of two acute angles can be equal to an obtuse angle.
  3. Sum of two acute angles can be equal to a right angle.
  4. Sum of an acute angle and an obtuse angle can be equal to a straight angle.
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