2. Questions Bank
  3. 7th Class
  4. Mental Ability
  5. The Triangle and its Properties

7th Class Mental Ability The Triangle and its Properties Question Bank Properties of Triangles

  • question_answer
    In the figure given, \[\Delta ABC\] is right triangle and \[\angle ={{40}^{o}}.\] What is the measure of\[\angle ECD?\]

    A) \[40{}^\circ \]         

    B) \[50{}^\circ \]

    C) \[130{}^\circ \]

    D) \[140{}^\circ \]

    Correct Answer: B

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