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akat2k19
akat2k19 akat2k19
  • 24-02-2017
  • Mathematics
Answered

anyone know how to do trigonometry

anyone know how to do trigonometry class=

Verified Answer :

pasha
pasha pasha
  • 24-02-2017

The side opposite the 30 degree angle is half of the hypotenuse.
a^2 + b^2 = c^2  =>

a^2 + (c/2)^2 = c^2
12^2 + c^2/4 = c^2
4*12^2 + c^2 - 4c^2 = 0 
576 -  3c^2 = 0 
- 3c^2 = - 576
c^2 = 192
c = 8√3

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