Use Intersecting Chords or Secants A. Find x. Answer: Theorem 10.12 Substitution Simplify.

Slides:



Advertisements
Similar presentations
Secant Vocabulary.
Advertisements

Other Angle Relationships in Circles Section 10.4
Classifying Angles with Circles
Secants, Tangents, and Angle Measures and Special Segments in a Circle
Angles in a Circle Keystone Geometry
Other Angle Relationships
Apply Other Angle Relationships in Circles
Geometry – Segments of Chords and Secants
Geometry Section 10.4 Angles Formed by Secants and Tangents
Splash Screen. CCSS Content Standards Reinforcement of G.C.4 Construct a tangent line from a point outside a given circle to the circle. Mathematical.
Splash Screen. Lesson Menu Five-Minute Check (over Lesson 10–5) Then/Now New Vocabulary Theorem Example 1:Use Intersecting Chords or Secants Theorem.
10.4: Angles formed by Secants and Tangents Obj: ______________________ __________________________.
Over Lesson 10–5 5-Minute Check 1 A.yes B.no Determine whether BC is tangent to the given circle. ___ A.A B.B.
10.5 Segment Lengths in Circles
6.5 Other Angle Relationships in Circles
6.5Apply Other Angle Relationships Theorem 6.13 If a tangent and a chord intersect at a point on a circle, then the measure of each angle formed is one.
10.4 Other Angle Relationships in Circles
Inscribed Angles December 3, What is an inscribed angle? An inscribed angle is an angle whose vertex is on a circle and whose sides contain chords.
Other Angle Relationships in Circles
Section 10.5 Angles in Circles.
6.5 Other Angle Relationships in Circles. Theorem 6.13 If a tangent and a chord intersect at a point on the circle, then the measure of each angle formed.
Geometry Warm-Up4/5/11 1)Find x.2) Determine whether QR is a tangent.
Section 9-7 Circles and Lengths of Segments. Theorem 9-11 When two chords intersect inside a circle, the product of the segments of one chord equals the.
Segment Lengths in Circles 10.5 Chapter 10 Circles Section 10.5 Segment Lengths in Circles Find the lengths of segments of chords. Find the lengths of.
Holt McDougal Geometry 11-1 Lines That Intersect Circles Toolbox pg. 751 (11-27;31-33; 39 why 4 )
10.4 Other Angle Relationships in Circles
Angle Relationships in circles
Other Angle Relationships in Circles
Find Segment Lengths in Circles
10.5 Segment Lengths in Circles
10.4 Other Angle Relationships in Circles
10.6 Secants, Tangents, and Angle Measures
Section 10.5 Angles in Circles.
11.4 Angle Measures and Segment Lengths
Other Angle Relationships in Circles
Topic 12-4.
Splash Screen.
Section 10.6 Segments in Circles.
Lines That Intersect Circles
Chapter 10.5 Notes: Apply Other Angle Relationships in Circles
EXAMPLE 1 Find angle and arc measures
9-6 Other Angles.
Circles – Modules 15.5 Materials: Notes Textbook.
Lines That Intersect Circles
Warmup Find x. 1) 2)
Splash Screen.
Lines That Intersect Circles
Apply Other Angle Relationships
Secants, Tangents, and Angle Measure
Other Angle Relationships in Circles
10.4 Other Angle Relationships in Circles
Section 10.4 Other Angle Relationships in Circles
Segment Lengths in Circles
Unit 9 – Circles Acc. Alg/Geo A
Objectives Identify tangents, secants, and chords.
Section 10.4 – Other Angle Relationships in Circles
Angles Related to a Circle
Segment Lengths in Circles
Segment Lengths in Circles
Notes 12.3/12.4 (Angles) Learning Targets:
Chapter 9 Section-6 Angles Other.
10.5 Other Angle Relationships in Circles
Segment Lengths in Circles
Unit 3: Circles & Spheres
LESSON LESSON PART I ANGLE MEASURES
Segment Lengths in Circles
Essential Question Standard: 21 What are some properties of
Warmup Find x. 1) 2)
Splash Screen.
Five-Minute Check (over Lesson 9–5) Mathematical Practices Then/Now
Presentation transcript:

Use Intersecting Chords or Secants A. Find x. Answer: Theorem Substitution Simplify.

Use Intersecting Chords or Secants A. Find x. Answer: x = 82 Theorem Substitution Simplify.

Use Intersecting Chords or Secants B. Find x. Theorem Substitution Simplify. Step 1Find m  VZW.

Use Intersecting Chords or Secants Step 2Find m  WZX. m  WZX =180 – m  VZWDefinition of supplementary angles x =180 – 79Substitution x =101Simplify. Answer:

Use Intersecting Chords or Secants Step 2Find m  WZX. m  WZX =180 – m  VZWDefinition of supplementary angles x =180 – 79Substitution x =101Simplify. Answer: x = 101

C. Find x. Theorem Substitution Multiply each side by 2. Use Intersecting Chords or Secants Subtract 25 from each side. Answer:

C. Find x. Theorem Substitution Multiply each side by 2. Use Intersecting Chords or Secants Subtract 25 from each side. Answer: x = 95

A.92 B.95 C.98 D.104 A. Find x.

A.92 B.95 C.98 D.104 A. Find x.

A.92 B.95 C.97 D.102 B. Find x.

A.92 B.95 C.97 D.102 B. Find x.

A.96 B.99 C.101 D.104 C. Find x.

A.96 B.99 C.101 D.104 C. Find x.

Use Intersecting Secants and Tangents A. Find m  QPS. Theorem Substitute and simplify. Answer:

Use Intersecting Secants and Tangents A. Find m  QPS. Theorem Substitute and simplify. Answer: m  QPS = 125

B. Theorem Use Intersecting Secants and Tangents Substitution Multiply each side by 2. Answer:

B. Theorem Use Intersecting Secants and Tangents Substitution Multiply each side by 2. Answer:

A.98 B.108 C D A. Find m  FGI.

A.98 B.108 C D A. Find m  FGI.

A.99 B C.162 D.198 B.

A.99 B C.162 D.198 B.

Use Tangents and Secants that Intersect Outside a Circle A. Theorem Substitution Multiply each side by 2.

Use Tangents and Secants that Intersect Outside a Circle Subtract 141 from each side. Multiply each side by –1.

Use Tangents and Secants that Intersect Outside a Circle Subtract 141 from each side. Multiply each side by –1.

Use Tangents and Secants that Intersect Outside a Circle B. Theorem Substitution Multiply each side by 2.

Use Tangents and Secants that Intersect Outside a Circle Add 140 to each side.

Use Tangents and Secants that Intersect Outside a Circle Add 140 to each side.

A.23 B.26 C.29 D.32 A.

A.23 B.26 C.29 D.32 A.

A.194 B.202 C.210 D.230 B.

A.194 B.202 C.210 D.230 B.

Apply Properties of Intersecting Secants Theorem Substitution

Apply Properties of Intersecting Secants Multiply each side by 2. Subtract 96 from each side. Multiply each side by –1.

Apply Properties of Intersecting Secants Multiply each side by 2. Subtract 96 from each side. Multiply each side by –1.

A.25 B.35 C.40 D.45

A.25 B.35 C.40 D.45