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1/2=a/6
a = 3
cos 30∧ = b/6
√3/2 =b/6
b=3√3
Obw = 2a + 2b
Obw = 2*3 + 2* 3√3
Obw = 6+6√3
Pole = a*b
P= 3*3√3
P = 9√3
Pozdrawiam! :)