1)h=3*tg60=3√3
S=9*3√3=27√3
2)S=0.5*4*6*sin120=12*√3/2=6√3
3)S=6*3=18
4)S=12*14/2=84
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1)h=3*tg60=3√3
S=9*3√3=27√3
2)S=0.5*4*6*sin120=12*√3/2=6√3
3)S=6*3=18
4)S=12*14/2=84