Zionv1201
Zionv1201
10-03-2018
Mathematics
contestada
Anybody know what the answer is?
Respuesta :
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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