Question

ПоМоГиТе ((((((((((((((((((​

Answer 1

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