Multiple choice

A tangent to a circle forms an angle of measure.............with the radius drawn at the point of contact.

  1. ${90^0}$
  2. ${60^0}$
  3. ${30^0}$
  4. ${45^0}$
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A Correct answer
Explanation

By definition, a tangent to a circle is always perpendicular to the radius at the point of contact.

AI explanation

A fundamental theorem of circle geometry states that a tangent to a circle is always perpendicular to the radius drawn to the point of contact. Perpendicular lines intersect at an angle of 90 degrees. Thus, the angle formed between the tangent and the radius is 90 degrees.

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