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d-przekątna
a-bok kwadratu
d=a√2
a)5=5√2
b)3√2=3√2*√2=3*2=6
c)5√3=5√3*√2=5√6
d)0,5√2=0,5√2*√2=0,5*2=1
e)3,5=3,5*√2=3,5√2
f)√8=√8*√2=√16=4
zad2
d=a√2
a)a=5√2/√2
a=5
b)a=0,7√2/√2
a=0,7
c)a=5√2/2/√2
a=5/2
d)a=3/√2
a=3*√2/√2*√2=3√2/2
e)a=1/3/√2
a=1/3*√2/√2*√2
a=1/3 √2/2
a=√2/6
f)a=12/√2
a=12*√2/√2*√2
a=12 √2/2
a=6/√2