11-3 Inscribed Angles

11-3 Inscribed Angles - If a quadrilateral is inscribed in...

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Inscribed Angles Section 11-3
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inscribed angle – an angle whose vertex is on the circle and whose sides each contain chords of the circle. ADC is an inscribed arc. A B C D . angle inscribed an is ABC
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Inscribed Angle Thm (11-9) The measure of an inscribed angle is half the measure of its intercepted arc. 70 o 140 o
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Two inscribed angles that intercept the same arc are congruent. A B C D ABC ADC 2245 Corollaries
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An angle inscribed in a semicircle is a right angle. 180 o
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Unformatted text preview: If a quadrilateral is inscribed in a circle, then its opposite angles are supplementary. 60 o 120 o Theorem 11-10 The measure of an angle formed by a tangent and a chord is half the measure of the intercepted arc. 60 o 120 o Joke Time What do you get if you take a native Alaskan and divide its circumference by its diameter? Eskimo pi Why did Humpty Dumpty have a great fall? To make up for his miserable summer...
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This note was uploaded on 12/01/2011 for the course MATH 105 taught by Professor Towns during the Fall '10 term at BYU.

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11-3 Inscribed Angles - If a quadrilateral is inscribed in...

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