What is a tangent line to a circle?

71 Tangent QZ

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A tangent line to a circle is a straight line that touches the circle at exactly one point, known as the point of tangency.
2.
FLASHCARD QUESTION
Front
What is the relationship between a tangent line and the radius at the point of tangency?
Back
The tangent line is perpendicular to the radius drawn to the point of tangency.
3.
FLASHCARD QUESTION
Front
If line segment AB is tangent to circle C, what can be said about the distance from the center of the circle to line AB?
Back
The distance from the center of the circle to line AB is equal to the radius of the circle.
4.
FLASHCARD QUESTION
Front
In a right triangle formed by a tangent line and a radius, how can you find the length of the hypotenuse?
Back
5.
FLASHCARD QUESTION
Front
What is the formula for the length of a tangent segment from a point outside the circle to the point of tangency?
Back
6.
FLASHCARD QUESTION
Front
How do you determine if a line is tangent to a circle using coordinates?
Back
A line is tangent to a circle if the distance from the center of the circle to the line equals the radius of the circle.
7.
FLASHCARD QUESTION
Front
What is the significance of the point of tangency?
Back
The point of tangency is the exact point where the tangent line touches the circle, and it is the only point of contact.
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