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a=10
h=?
h kwadrat = a kwadrat -( 1/2 a) kwadrat
h kwadrat= 100 -25
h kwadrat=75
h= pierwiastek z 75
h= 5 pierwiastków z 3
P= 6*1/2*10*5 pierwiastków z 3
P=3*50pierwiastków z 3
p=150pierwiastków z 3
b) ob=6*10=60
c)5 pierwiastków z 3
d)10 cm