What is the relation between tangent and secant?

What is the relation between tangent and secant?

What is the relation between tangent and secant?

If a tangent segment and a secant segment are drawn to a circle from an exterior point, then the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment. In the circle, ¯UV is a tangent and ¯UY is a secant. They intersect at point U .

What is the secant tangent formula?

The secant ratio is the reciprocal of the cosine ratio. If a tangent and a secant are drawn from a common point outside the circle (and the segments are labeled like the picture below), then a2=b(b+c).

What is the relationship between the lengths of the tangent and secant segment?

Tangent and Secant If a secant and a tangent of a circle are drawn from a point outside the circle, then the product of the lengths of the secant and its external segment equals the square of the length of the tangent segment.

What is tangent and secant of a circle?

A line that intersects a circle in exactly one point is called a tangent and the point where the intersection occurs is called the point of tangency. A secant is a line that intersects a circle in exactly two points.

Which angle is formed by a secant and tangent line?

Vocabulary

Term Definition
Outside Angles Theorem The Outside Angles Theorem states that the measure of an angle formed by two secants, two tangents, or a secant and a tangent from a point outside the circle is half the difference of the measures of the intercepted arcs.

Is a tangent a secant?

What is the secant segment Theorem?

If two secant segments are drawn to a circle from an exterior point, then the product of the measures of one secant segment and its external secant segment is equal to the product of the measures of the other secant segment and its external secant segment.

What does being tangent to a circle mean?

A tangent to a circle is a straight line which touches the circle at only one point. This point is called the point of tangency. The tangent to a circle is perpendicular to the radius at the point of tangency.