Angle Subtended by an Arc at the Centre
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Questions and Answers

What property of angles is discussed in the text?

  • Angles subtended by a circle (correct)
  • Corresponding angles
  • Vertical angles
  • Alternate interior angles

    • If an angle subtended by an arc at the center is $x$ degrees, what would be the angle subtended it on any part of the remaining circle?

  • $2x$ degrees
  • $\frac{x}{2}$ degrees (correct)
  • $x-90$ degrees
  • $3x$ degrees

    • How are the angles related if an arc subtends a $120^\circ$ angle at the center?

  • The angles would form a straight line
  • The angle subtended on any other part would be $240^\circ$
  • The angle subtended on any other part would be $60^\circ$ (correct)
  • The angles are unrelated

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