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If the angle subtended by an arc at the center of a circle is 60 degrees, what i

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Question: If the angle subtended by an arc at the center of a circle is 60 degrees, what is the angle subtended at any point on the circumference?

Options:

  1. 30 degrees
  2. 60 degrees
  3. 90 degrees
  4. 120 degrees

Correct Answer: 30 degrees

Solution:

The angle subtended at the circumference is half of that at the center. Therefore, it is 60 degrees / 2 = 30 degrees.

If the angle subtended by an arc at the center of a circle is 60 degrees, what i

Practice Questions

Q1
If the angle subtended by an arc at the center of a circle is 60 degrees, what is the angle subtended at any point on the circumference?
  1. 30 degrees
  2. 60 degrees
  3. 90 degrees
  4. 120 degrees

Questions & Step-by-Step Solutions

If the angle subtended by an arc at the center of a circle is 60 degrees, what is the angle subtended at any point on the circumference?
  • Step 1: Understand that an arc is a part of the circumference of a circle.
  • Step 2: Know that the angle subtended by an arc at the center of the circle is given as 60 degrees.
  • Step 3: Remember the rule that the angle subtended at any point on the circumference by the same arc is half of the angle at the center.
  • Step 4: Calculate the angle at the circumference by dividing the angle at the center (60 degrees) by 2.
  • Step 5: Perform the calculation: 60 degrees / 2 = 30 degrees.
  • Step 6: Conclude that the angle subtended at any point on the circumference is 30 degrees.
  • Angle Subtended at the Center vs. Circumference – The relationship between the angle subtended by an arc at the center of a circle and the angle subtended at any point on the circumference, specifically that the latter is half of the former.
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