anonymous
  • anonymous
More geometry help please. If m of arc ac= 178°, and m of arc bc= 78°, what is m∠BDC?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
If m of arc ac= 178°, and m of arc bc= 78°, what is m∠BDC?
Jhannybean
  • Jhannybean
picture?
anonymous
  • anonymous
yeah sorry https://media.glynlyon.com/g_geo_2012/12/img_geou12b_5.gif

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anonymous
  • anonymous
This works just like your last one actually. See, your circle is broken into two arcs by the tangents.
anonymous
  • anonymous
oh ok great thanks
anonymous
  • anonymous
i get 128
anonymous
  • anonymous
Did you find half the difference?
Jhannybean
  • Jhannybean
|dw:1370066892511:dw| m< BDC= (1/2) (178-78)
Jhannybean
  • Jhannybean
There you go. m

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