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P= (3<kwadrat> √3 )/4
P=9pierw. z 3/4
b) P=(a<kwadrat> √3 )/ 4
P=(4√3 <kwadrat> √3 )/ 4
P= 36√3 /4
P=6√3
P= 3*3 √3/4
P=9√3/4
√3=1,7
P= 9*1,7 /4
P=153/4
P= 38,25
P= 4√3 *4√3 *√3 /4
P=48*√3 /4
P=12√3
1/23*3=4,5