Circle Theorems and Intersecting Chords

The video tutorial covers intersecting chords and secant theorems in geometry. It explains the intersecting chord theorem, where the product of the lengths of segments of intersecting chords inside a circle are equal. It also introduces the intersecting secant theorem, which involves lines intersecting outside a circle. The tutorial includes a review of nine theorems and a test for understanding. Additional topics like parallel line angles and isosceles triangles are briefly mentioned.

What is the relationship between the segments of intersecting chords inside a circle?

• The difference of the segments is equal.

• The ratio of the segments is equal.

• The product of the segments is equal.

• The sum of the segments is equal.

Tags

CCSS.HSG.C.A.2

If two chords intersect inside a circle, and one segment is 4 and the other is 9, what is the product of the other two segments if one is 3?

• 12

• 27

• 36

• 48

What is a line called that passes through a circle at two points?

• Diameter

• Secant

• Tangent

• Chord

Tags

CCSS.HSG.C.A.2

In the intersecting secant theorem, what must you be careful to multiply by?

• The radius of the circle

• The diameter of the circle

• The whole length of the secant

• The length of the chord

Tags

CCSS.HSG.C.A.2

If AB = 6, AC = 10, AD = 8, and AE = 12, what is the product of AB and AC according to the intersecting secant theorem?

• 72

• 96

• 60

• 80

How many theorems are reviewed in the video?

• Five

• Eleven

• Nine

• Seven

What should you do after jotting down the nine theorems?

• Submit them for grading

• Click play to check

• Discuss with a partner

• Ignore them

Tags

CCSS.HSG.SRT.B.4

Which of the following is NOT mentioned as a topic to keep in mind?

• Circle theorems

• Parallel line angles

• Isosceles triangles

• Equilateral triangles

Tags

CCSS.8.EE.C.7B

What is the main focus of the video tutorial?

• Algebraic equations

• Circle theorems

• Trigonometric identities

• Calculus concepts

Tags

CCSS.RI.7.3

CCSS.RI.8.3

CCSS.RI.8.5

CCSS.RI.9-10.3

CCSS.RI.9-10.5

What is suggested to do if you liked the video?

• Ignore it

• Write a review

• Give it a thumbs up

• Share it with friends

Tags

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.8.5

CCSS.RI.9-10.3

CCSS.RI.9-10.5