BookishWolfyX
BookishWolfyX BookishWolfyX
  • 24-11-2016
  • Mathematics
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Q) 18 & 20 please answer.

Q 18 amp 20 please answer class=

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Moonnose
Moonnose Moonnose
  • 24-11-2016
18. S=r^2-t^2
S+t^2=r^2
r=sqrt(S+t^2)
20. Tan 18=x/12
x=12×Tan 18
x=3.899036355
x=3.90

I hope this helps.
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