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Texte du Storyboard
- Today's lesson is important 'cause it will help you to develop your intellectual abilities like problem-solving skills and analyzation.
- Good Morning Class!
- Let's start are lesson in tangent line theorem. Who wants to read the definition of it on your book?
- Please get your book and open it on page 100.
- Good morning Ms. Diaz
- Ma'am!
-
- Ma'am!
- Good morning Ms. Diaz
- Thank you Ms. Waldorf... This is the 1st example... Line MN is tangent to ⊙L at M. If LM=6 & MN=8, how far is point N from center L?
- Ms. Waldorf
- Since line MN is tangent to the circle at M, line LM & line MN are perpendicular to each other. Hence Δ LMN is a right triangle. We can apply the Pythagorean Theorem.
- If a line is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency.
- Does anyone knows what is Pythagorean Theorem?
- Mr. Donaldson
- Pythagorean Theorem states that the hypotenuse is equal to the 2 sides.
- Ma'am
- Ma'am
- School bell ringing
- Now let's try to solve this problem.
- All we have to do is to use the formula of the Pythagorean Theorem. Are final answer would be 10.
- Thank you Mr. Donaldson.
- Since AC^2 = AB^2 + CB^2, by the converse of the Pythagorean theorem, ΔABC is a right triangle with AB ⊥ CB...
- QUIET!!!
- By the converse of the tangent line theorem. Line CB must be tangent to ⊙E.
- students are murmuring
- School bell ringing
- Good bye Ms. Diaz!
- YAY!
- Good bye Ms. Diaz!
- Goodbye class and see you next week.
- THE END.
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