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Angles in and out of the circle

Angles in and out of the circle. O OUT. IN. What we know so far. Central angle = arc Angle ON the circle = ½ arc. Vertex is inside the circle. ARC. A. B. ANGLE. D. C. ARC. Looks like a PLUS sign!. Ex. 1 Find m 1. 93 °. A. B. 1. D. C. 113 °. Ex. 2 Find m QT . N. Q.

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Angles in and out of the circle

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  1. Angles in and out of the circle • OOUT IN

  2. What we know so far • Central angle = arc • Angle ON the circle = ½ arc

  3. Vertex is inside the circle ARC A B ANGLE D C ARC Looks like a PLUS sign!

  4. Ex. 1 Find m1. 93° A B 1 D C 113°

  5. Ex. 2 Find mQT. N Q 84o 92o M T

  6. Ex 3: Find x. 40o xo 120o

  7. Vertex is outside the circle C ANGLE small ARC A D LARGE ARC B LARGE ARC LARGE ARC small ARC ANGLE small ARC ANGLE

  8. Ex. 4 Find m1. 1 15° A D 65° B

  9. Ex. 5 Find mAB. A 27° 70° B

  10. Ex. 6 Find m1. 260° 1

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