Tangent and Secant Theorem

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In this video we are going to go over the Intersecting secants theorem by
1) Looking at the tangent and Secant Formula
2) Then by going over two different examples to find the missing lengths

Reminder what a tangent and secant are:

Tangent: A line that touches the circle at one point outside the circle.
Secant: A line that cuts through a circle at two points.

The Tangent Secant Theorem tells us that the tangents length squared is equal to the value of the first segment of the secant times the value of the entire length of the secant. Knowing this, we can find the value of missing side lengths.

Intro 0:00
Tangent and Secant Theorem 0:17
Example #1 1:34
Example #2 3:21

If you have any questions, please don’t hesitate to comment below. And if this video has helped you, please hit the like button and subscribe for more math videos! Thank you and happy calculating! :)
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Your deep understanding of the topic and the clarity with which you explain complex concepts are truly impressive. It’s evident that you have a genuine passion for mathematics and a remarkable ability to make even the most challenging material accessible and engaging. Thank you for making learning such a rewarding experience.

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