rissathejawn
rissathejawn
26-04-2017
Mathematics
contestada
what's length a and length b?
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Hudayfaad
Hudayfaad
26-04-2017
The answer is 30 hope it helps
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ghanami
ghanami
26-04-2017
hello :
sin(60) =b/12.......b= 12sin(60) =12×(√3/2)= 6
√3
cos(60) =a/12 ........a=12cos(60) =12×(1/2) =6
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