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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. A. ARC. B. ANGLE. D. ARC. C. 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 A ARC B ANGLE D ARC C 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. Challenge: 55º 110º wº 100º yº zº xº

  8. Vertex is outside the circle C Negative (-) temperatures outside… ANGLE small ARC A D LARGE ARC B LARGE ARC LARGE ARC small ARC ANGLE small ARC ANGLE

  9. Ex. 5 Find m1. 1 15° A D 65° B

  10. Ex. 6 Find mAB. A 27° 70° B

  11. Ex. 7 Find m1. 260° 1

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