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Vocabulary secant. Concept Example 1 Use Intersecting Chords or Secants A. Find x. Answer: x = 82 Theorem 10.12 Substitution Simplify.

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Presentation on theme: "Vocabulary secant. Concept Example 1 Use Intersecting Chords or Secants A. Find x. Answer: x = 82 Theorem 10.12 Substitution Simplify."— Presentation transcript:

1 Vocabulary secant

2 Concept

3 Example 1 Use Intersecting Chords or Secants A. Find x. Answer: x = 82 Theorem Substitution Simplify.

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

5 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

6 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

7 Example 1 A.92 B.95 C.98 D.104 A. Find x.

8 Example 1 A.92 B.95 C.97 D.102 B. Find x.

9 Example 1 A.96 B.99 C.101 D.104 C. Find x.

10 Concept

11 Example 2 Use Intersecting Secants and Tangents A. Find m QPS. Theorem Substitute and simplify. Answer: m QPS = 125

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

13 Example 2 A.98 B.108 C D A. Find m FGI.

14 Example 2 A.99 B C.162 D.198 B.

15 Concept

16 Example 3 Use Tangents and Secants that Intersect Outside a Circle A. Theorem Substitution Multiply each side by 2.

17 Example 3 Use Tangents and Secants that Intersect Outside a Circle Subtract 141 from each side. Multiply each side by –1.

18 Example 3 Use Tangents and Secants that Intersect Outside a Circle B. Theorem Substitution Multiply each side by 2.

19 Example 3 Use Tangents and Secants that Intersect Outside a Circle Add 140 to each side.

20 Example 3 A.23 B.26 C.29 D.32 A.

21 Example 3 A.194 B.202 C.210 D.230 B.

22 Example 4 Apply Properties of Intersecting Secants Theorem Substitution

23 Example 4 Apply Properties of Intersecting Secants Multiply each side by 2. Subtract 96 from each side. Multiply each side by –1.

24 Example 4 A.25 B.35 C.40 D.45

25 Concept


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