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x=1 kąt ostry
y= 2 kąt ostry
z=90⁰
x=½(y+90)
x+y=90
x=90-y
90-y=0,5y+45
-1,5y=45-90
-1,5y=-45
y=45:1,5
y=30
x=90-30=60
kąty trójkąta to:90,60i 30⁰