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lilsis76 Group Title

triangle ABC is a right triangle with angle C=90 deg. AC=3sqrt3 and angle B =30 deg. Find AB and BC. HERE IS WHAT I HAVE :) BC= 6 sqrt3 Angle B=30 deg Angle C= 90 Deg which means angle A= 60 degrees b= 3 sqrt 3 I need help finding BC, I got lost in all my scribbles

  • one year ago
  • one year ago

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  1. mathteacher1729 Group Title
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    Here is a quick sketch of your triangle. |dw:1355094411875:dw| I actually did a set of videos about this a while ago... http://www.youtube.com/playlist?list=PL9FE48FF0B7A3E3F4

    • one year ago
  2. rorytsm Group Title
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    tan(30)=3sqrt(3)/BC BC=3sqrt(3)/tan(30) BC=9

    • one year ago
  3. lilsis76 Group Title
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    thank you @mathteacher1729 I will look at your videos. I have been completely lost at times.

    • one year ago
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