Seudónimo
Seudónimo
10-11-2018
Mathematics
contestada
Find the tangent for angle A
Respuesta :
Аноним
Аноним
11-11-2018
12^2+b^2=40^2
144+b^2= 1600
b^2 =1456
√b2= √1456
b = 38.2
tan = 12/38.2
Or .31
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