Zionv1201
Zionv1201 Zionv1201
  • 10-03-2018
  • Mathematics
contestada

Anybody know what the answer is?

Anybody know what the answer is class=

Respuesta :

Catya
Catya Catya
  • 10-03-2018
Side b is adjacent to the 30° angle so use cosine to solve. (soh cah toa)

cos(30°) = b/12

12*cos(30°) = b

cos(30°) is √(3)/2

12*(√(3)/2 ) = b

6√(3) = b

3 goes in the box



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