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h= 6 / 2 (wysokość)
a= h:2 = 3
P=a *h
P=6*3= 18
O=2h+2a= 2*6 + 2*3= 12+6=18
a = 2√3
Obw - 2(2√3) + 2( 2 x 2√3) = 4√3 + 8√3 = 12√3 [cm]
P = 2√3 x 4√3 = 24 [cm²/
Obw =2*a+2*b
d - przekątna
d =6
sin30 =1/2
sin30 =b/6
1/2 =b/6
2b =6
b =3
Z Tw Pitagorasa
a²+9 =36
a =√27 = 3√3
P =3√3*3
P =9√3
Obw =2*3√3+2*6
Obw =6√3+12
PS.rysunek w zalaczniku