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Q: How many parallel tangents can a circle have?

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Tangents ..... are parallel under conditions you gave. A tangent to a circle is perpindicular to the radius (diameter) at the point of contact. 2 lines perpindicular to the same line are parallel.

An infinite number. / There is no limit.

no; for example, a circle and a circle within that circle have no common tangents.

Only one which is a tangent to that circle.

Infinite when chords are parallel to the circle's diameter

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An infinite amount

If the tangents are parallel, they must be on opposite ends of a diameter.They are 8 cm apart.

If you draw tangents to a circle at opposite ends of a diameter, those two tangents are parallel. No matter how far you extend them, they'll never meet.

Tangents ..... are parallel under conditions you gave. A tangent to a circle is perpindicular to the radius (diameter) at the point of contact. 2 lines perpindicular to the same line are parallel.

Two tangents can be drawn from a point outside a circle to the circle. The answer for other curves depends on the curve.

WHAT ARE THE TANGENTS OF ALL COORDINATES IN THE UNIT CIRCLE?

An infinite number. / There is no limit.

no; for example, a circle and a circle within that circle have no common tangents.

No tangent No tangent

Only one which is a tangent to that circle.

Any tangent must contain a point outside the circle. So the answer to the question, as stated, is infinitely many. However, if the question was how many tangents to a circle can be drawn from a point outside the circle, the answer is two.

That depends on what question you have been asked concerning the two tangents. All by itself, a circle with two tangents is quite content, and isn't looking for a solution.

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