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10.1 Lines & Segments that Intersect Circles

Last updated over 1 year ago
20 questions
Do Now & Class notes
1

SAT Question
What is the value of x?

1

SAT Question!
For the right triangle shown, a = 4 and b = 5.


Which expression represents the value of c?

1

Circles and Basic Segments!

Take notes directly on your screen to draw and identify the new terms.

1

Circles and More "Advanced" Segments!
Take notes directly on your screen to draw and identify the new terms.

1

Using the image below, match the answers to the correct terms:

Draggable itemCorresponding Item
Radius
Point C
Diameter
Segment AB
Center
Segment MN
Chord
Segment CX
Secant
Line AB
Tangent
Line PW
8

Match the notation with the term that best describes it.


Draggable itemCorresponding Item
Line AE
Point of tangency
Line BH
common tangent
Line Segment AB
Chord
Line AB
secant
G
tangent
B
center
Line Segment CD
radius
Line Segment BD
diameter
1
A TANGENT LINE forms a _______ degree angle with the RADIUS of a circle.

Now, draw a picture to demonstrate a circle and a TANGENT LINE.
1

REDS to the board to answer the question and draw a picture!
In the diagram, PT is a radius of Circle P.

Is ST tangent to Circle P?

1

Complete together with your group.

AB is tangent to the circle. Solve for r.

2

Choose the options below that represent radii.

1

Which object below is a diameter?

1

Which object below represents a tangent line

1

Solve for x.

1

GREENS to the board to solve an equation to solve! Put BOTH #15 & 16 on the board!

Find the value of n.

1

Find SR.

1

BLUES to the board to solve an equation to solve! Put BOTH #17 & 18 on the board!
Find x.

1

Find LJ.

Challenge Questions: Angles!!
0

Find the m∠Q.
Hint: QSPR is a quadrilateral. Review Theorem 11-1-1.

0

Find m∠P.

0

Find m∠Q.

Tonight's HW
Khan Academy: Area and Circumference of Circles REVIEW exercises