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Example 1 Use Intersecting Chords or Secants A. Find x. Answer: x = 82 Theorem Substitution Simplify.
Example 1 Use Intersecting Chords or Secants B. Find x. Theorem Substitution Simplify. Step 1Find m VZW.
Example 1 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. Example 1 Use Intersecting Chords or Secants Subtract 25 from each side. Answer: x = 95
Example 1 A.92 B.95 C.98 D.104 A. Find x.
Example 1 A.92 B.95 C.97 D.102 B. Find x.
Example 1 A.96 B.99 C.101 D.104 C. Find x.
Example 2 Use Intersecting Secants and Tangents A. Find m QPS. Theorem Substitute and simplify. Answer: m QPS = 125
B. Theorem Example 2 Use Intersecting Secants and Tangents Substitution Multiply each side by 2. Answer:
Example 2 A.98 B.108 C D A. Find m FGI.
Example 2 A.99 B C.162 D.198 B.
Example 3 Use Tangents and Secants that Intersect Outside a Circle A. Theorem Substitution Multiply each side by 2.
Example 3 Use Tangents and Secants that Intersect Outside a Circle Subtract 141 from each side. Multiply each side by –1.
Example 3 Use Tangents and Secants that Intersect Outside a Circle B. Theorem Substitution Multiply each side by 2.
Example 3 Use Tangents and Secants that Intersect Outside a Circle Add 140 to each side.
Example 3 A.23 B.26 C.29 D.32 A.
Example 3 A.194 B.202 C.210 D.230 B.
Example 4 Apply Properties of Intersecting Secants Theorem Substitution
Example 4 Apply Properties of Intersecting Secants Multiply each side by 2. Subtract 96 from each side. Multiply each side by –1.
Example 4 A.25 B.35 C.40 D.45
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a b c d ab = cd x x = x x = x x = 1 Example 1:
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R Copyright © 2013, 2009, 2005 Pearson Education. Inc. Review of Basic Concepts Sections R.5–R.7.
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Warm-up #5 A B C D 63 o ( 9x o Find x and m AD. Table of Contents Section Other Angle Relationships in Circles.
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