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jdi 1/2 x 1/2 = 1/4m^2 kemudian triplekny kan 5 m^2 terus dibagi luas persegi
5:1/4= 20 asbes
s persegi =
L persegi = =
= 5 : = = 20
13. lompatan I = =
lompatan II = x = 1 m