anonymous
  • anonymous
Hi need help for question related to circle as drawing below thanks! answer given is 30
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
|dw:1359828448012:dw|
anonymous
  • anonymous
|dw:1359828461353:dw| sorry forget label RS=2PQ. Find X
anonymous
  • anonymous
a triangle made like this i mean in semicircle every triangle made is a right angled triangle. this means the given triangles are right angled triangle

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anonymous
  • anonymous
considering one with 20 degrees we get
anonymous
  • anonymous
|dw:1359828672943:dw|
anonymous
  • anonymous
clear up to this point???
anonymous
  • anonymous
this is not that x you mentioned in your queston
anonymous
  • anonymous
yes so wat's next??
anonymous
  • anonymous
|dw:1359828871406:dw|
anonymous
  • anonymous
|dw:1359829032068:dw|
anonymous
  • anonymous
can you find PQ ???
anonymous
  • anonymous
20??
anonymous
  • anonymous
how??
anonymous
  • anonymous
= = i not sure >< because the angle at RS is 40?? so 40/2??
anonymous
  • anonymous
no no the angles here are 20-70-90 respectively
anonymous
  • anonymous
i m talking about the lenght of PQ
anonymous
  • anonymous
i duno how to find >< should be 20 because the angle at S is 20
anonymous
  • anonymous
|dw:1359830647922:dw|
anonymous
  • anonymous
|dw:1359830742128:dw| since RS is double of PQ, the angle opposite to RS is double the angle opposite to PQ thus theta=2*20=40
anonymous
  • anonymous
|dw:1359830828420:dw|
anonymous
  • anonymous
now look at triangle PQS |dw:1359830874348:dw|
anonymous
  • anonymous
so the figure is improved |dw:1359830962646:dw| compare with ur answer
anonymous
  • anonymous
I understand now!!thanks!! ^^

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