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Find rz - PowerPoint PPT Presentation

Brain Buster

Brain Buster. 1. Draw a circle with r = 4 and center A. . 2. What is the diameter of the circle?. 3. Explain the difference between a secant & a chord. 4. What do you know about a tangent line and the radius drawn to the point of tangency?. Math II.

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363 views • 21 slides

Warm-Ups for Circles

Warm-Ups for Circles. Warm up #2. Warm Up #3. Hint: Draw a picture to represent the situation. CHORD RULE #1. If a diameter of a circle is perpendicular to a chord, then the diameter bisects the chord and its arc. IF: AD ? BD and AR ? BR THEN: CD is perpendicular to AB. C. P.

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237 views • 15 slides

10.5 Segment Measures

10.5 Segment Measures. Two chords intersect INSIDE the circle. Type 1:. a. ab = cd. d. c. b. Example 1:. 9. 12. 6. 3. x. x. 2. 2. X = 3. X = 8. x. 3. 6. 2. X = 1. 12. 2x. 8. 3x. 2x ? 3x = 12 ? 8. 6x 2 = 96. x 2 = 16. x = 4. Example 2: Find x.

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190 views • 13 slides

AB ? CD IFF AB = DC

In the same circle, or in congruent circles, two minor arcs are congruent if and only if their corresponding chords are congruent. B. C. AB ? CD IFF AB = DC. A. D. 12 in. 120. 120. x. x = 12 in. x + 40. 2x + 10. 2x + 10= x + 40 x = 30.

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240 views • 11 slides

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Find rz - PowerPoint PPT Presentation

Brain Buster

Warm-Ups for Circles

10.5 Segment Measures

AB ? CD IFF AB = DC